40647510323 has 64 divisors (see below), whose sum is σ = 52171776000. Its totient is φ = 31508144640.

The previous prime is 40647510287. The next prime is 40647510347. The reversal of 40647510323 is 32301574604.

It is not a de Polignac number, because 40647510323 - 2¹⁸ = 40647248179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40647510023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45825386 + ... + 45826272.

It is an arithmetic number, because the mean of its divisors is an integer number (815184000).

Almost surely, 2^40647510323 is an apocalyptic number.

40647510323 is a deficient number, since it is larger than the sum of its proper divisors (11524265677).

40647510323 is a wasteful number, since it uses less digits than its factorization.

40647510323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 40647510323 in words is "forty billion, six hundred forty-seven million, five hundred ten thousand, three hundred twenty-three".