40464460651 has 8 divisors (see below), whose sum is σ = 41165505504. Its totient is φ = 39767058240.

The previous prime is 40464460643. The next prime is 40464460657. The reversal of 40464460651 is 15606446404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40464460651 - 2³ = 40464460643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40464460657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888196 + ... + 932641.

It is an arithmetic number, because the mean of its divisors is an integer number (5145688188).

Almost surely, 2^40464460651 is an apocalyptic number.

40464460651 is a deficient number, since it is larger than the sum of its proper divisors (701044853).

40464460651 is a wasteful number, since it uses less digits than its factorization.

40464460651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821221.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 40464460651 in words is "forty billion, four hundred sixty-four million, four hundred sixty thousand, six hundred fifty-one".