40864633049956 has 24 divisors (see below), whose sum is σ = 76400492278880. Its totient is φ = 19068022017792.

The previous prime is 40864633049873. The next prime is 40864633049957. The reversal of 40864633049956 is 65994033646804.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a junction number, because it is equal to n+sod(n) for n = 40864633049891 and 40864633049900.

It is not an unprimeable number, because it can be changed into a prime (40864633049957) 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, 4012625805 + ... + 4012635988.

Almost surely, 2^{40864633049956} is an apocalyptic number.

It is an amenable number.

40864633049956 is a deficient number, since it is larger than the sum of its proper divisors (35535859228924).

40864633049956 is a wasteful number, since it uses less digits than its factorization.

40864633049956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025261883 (or 8025261881 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 67.

The spelling of 40864633049956 in words is "forty trillion, eight hundred sixty-four billion, six hundred thirty-three million, forty-nine thousand, nine hundred fifty-six".