49514440 has 64 divisors (see below), whose sum is σ = 116789760. Its totient is φ = 18869760.

The previous prime is 49514431. The next prime is 49514447. The reversal of 49514440 is 4441594.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (49514447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90247 + ... + 90793.

It is an arithmetic number, because the mean of its divisors is an integer number (1824840).

Almost surely, 2^49514440 is an apocalyptic number.

49514440 is a gapful number since it is divisible by the number (40) 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 49514440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58394880).

49514440 is an abundant number, since it is smaller than the sum of its proper divisors (67275320).

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

49514440 is a wasteful number, since it uses less digits than its factorization.

49514440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 49514440 is about 7036.6497710203. The cubic root of 49514440 is about 367.2067229954.

The spelling of 49514440 in words is "forty-nine million, five hundred fourteen thousand, four hundred forty".