40457754012 has 24 divisors (see below), whose sum is σ = 101663074576. Its totient is φ = 12448539648.

The previous prime is 40457753993. The next prime is 40457754013. The reversal of 40457754012 is 21045775404.

It is a super-2 number, since 2×40457754012² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40457754013) 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, 129672133 + ... + 129672444.

Almost surely, 2^40457754012 is an apocalyptic number.

It is an amenable number.

40457754012 is an abundant number, since it is smaller than the sum of its proper divisors (61205320564).

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

40457754012 is a wasteful number, since it uses less digits than its factorization.

40457754012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259344597 (or 259344595 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 40457754012 in words is "forty billion, four hundred fifty-seven million, seven hundred fifty-four thousand, twelve".