40444634080 has 24 divisors (see below), whose sum is σ = 95550448392. Its totient is φ = 16177853568.

The previous prime is 40444634017. The next prime is 40444634081. The reversal of 40444634080 is 8043644404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444634081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126389322 + ... + 126389641.

It is an arithmetic number, because the mean of its divisors is an integer number (3981268683).

Almost surely, 2^40444634080 is an apocalyptic number.

40444634080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444634080 is an abundant number, since it is smaller than the sum of its proper divisors (55105814312).

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

40444634080 is a wasteful number, since it uses less digits than its factorization.

40444634080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252778978 (or 252778970 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 40444634080 in words is "forty billion, four hundred forty-four million, six hundred thirty-four thousand, eighty".