49145444440 has 32 divisors (see below), whose sum is σ = 110587842000. Its totient is φ = 19656294784.

The previous prime is 49145444437. The next prime is 49145444443. The reversal of 49145444440 is 4444454194.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49145444437) and next prime (49145444443).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49145444443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410106 + ... + 516214.

Almost surely, 2^49145444440 is an apocalyptic number.

49145444440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49145444440 is an abundant number, since it is smaller than the sum of its proper divisors (61442397560).

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

49145444440 is a wasteful number, since it uses less digits than its factorization.

49145444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117699 (or 117695 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 49145444440 in words is "forty-nine billion, one hundred forty-five million, four hundred forty-four thousand, four hundred forty".