40451315452 has 24 divisors (see below), whose sum is σ = 72911451200. Its totient is φ = 19622606400.

The previous prime is 40451315447. The next prime is 40451315453. The reversal of 40451315452 is 25451315404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40451315453) 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, 339924 + ... + 443227.

Almost surely, 2^40451315452 is an apocalyptic number.

It is an amenable number.

40451315452 is a deficient number, since it is larger than the sum of its proper divisors (32460135748).

40451315452 is a wasteful number, since it uses less digits than its factorization.

40451315452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783541 (or 783539 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 40451315452 in words is "forty billion, four hundred fifty-one million, three hundred fifteen thousand, four hundred fifty-two".