40464425984 has 176 divisors, whose sum is σ = 89137843200. Its totient is φ = 18276679680.

The previous prime is 40464425983. The next prime is 40464426017. The reversal of 40464425984 is 48952446404.

It is a super-2 number, since 2×40464425984² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40464425983) 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, 90120992 + ... + 90121440.

Almost surely, 2^40464425984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40464425984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44568921600).

40464425984 is an abundant number, since it is smaller than the sum of its proper divisors (48673417216).

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

40464425984 is a wasteful number, since it uses less digits than its factorization.

40464425984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 50.

The spelling of 40464425984 in words is "forty billion, four hundred sixty-four million, four hundred twenty-five thousand, nine hundred eighty-four".