40231464656 has 20 divisors (see below), whose sum is σ = 78001070112. Its totient is φ = 20102156256.

The previous prime is 40231464649. The next prime is 40231464677. The reversal of 40231464656 is 65646413204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824036 + ... + 871491.

Almost surely, 2^40231464656 is an apocalyptic number.

It is an amenable number.

40231464656 is a deficient number, since it is larger than the sum of its proper divisors (37769605456).

40231464656 is a wasteful number, since it uses less digits than its factorization.

40231464656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697018 (or 1697012 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 40231464656 in words is "forty billion, two hundred thirty-one million, four hundred sixty-four thousand, six hundred fifty-six".