40231656433 has 16 divisors (see below), whose sum is σ = 41525442000. Its totient is φ = 38953221120.

The previous prime is 40231656427. The next prime is 40231656463. The reversal of 40231656433 is 33465613204.

It can be written as a sum of positive squares in 8 ways, for example, as 2006323264 + 38225333169 = 44792^2 + 195513^2 .

It is a cyclic number.

It is not a de Polignac number, because 40231656433 - 2⁵ = 40231656401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40231656392 and 40231656401.

It is not an unprimeable number, because it can be changed into a prime (40231656463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9827335 + ... + 9831427.

It is an arithmetic number, because the mean of its divisors is an integer number (2595340125).

Almost surely, 2^40231656433 is an apocalyptic number.

It is an amenable number.

40231656433 is a deficient number, since it is larger than the sum of its proper divisors (1293785567).

40231656433 is a wasteful number, since it uses less digits than its factorization.

40231656433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 40231656433 in words is "forty billion, two hundred thirty-one million, six hundred fifty-six thousand, four hundred thirty-three".