244902097440 has 2304 divisors, whose sum is σ = 1198305239040. Its totient is φ = 43891752960.

The previous prime is 244902097439. The next prime is 244902097441. The reversal of 244902097440 is 44790209442.

It is an interprime number because it is at equal distance from previous prime (244902097439) and next prime (244902097441).

It is a super-2 number, since 2×244902097440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (244902097441) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2751708916 + ... + 2751709004.

It is an arithmetic number, because the mean of its divisors is an integer number (520097760).

Almost surely, 2^244902097440 is an apocalyptic number.

244902097440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244902097440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599152619520).

244902097440 is an abundant number, since it is smaller than the sum of its proper divisors (953403141600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244902097440 is a wasteful number, since it uses less digits than its factorization.

244902097440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 244902097440 in words is "two hundred forty-four billion, nine hundred two million, ninety-seven thousand, four hundred forty".