40372466651 has 8 divisors (see below), whose sum is σ = 45957590784. Its totient is φ = 35106492520.

The previous prime is 40372466591. The next prime is 40372466657. The reversal of 40372466651 is 15666427304.

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

It is a de Polignac number, because none of the positive numbers 2^k-40372466651 is a prime.

It is a super-2 number, since 2×40372466651² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40372466657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79787231 + ... + 79787736.

It is an arithmetic number, because the mean of its divisors is an integer number (5744698848).

Almost surely, 2^40372466651 is an apocalyptic number.

40372466651 is a deficient number, since it is larger than the sum of its proper divisors (5585124133).

40372466651 is a wasteful number, since it uses less digits than its factorization.

40372466651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159575001.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 40372466651 in words is "forty billion, three hundred seventy-two million, four hundred sixty-six thousand, six hundred fifty-one".