40231502013021 has 16 divisors (see below), whose sum is σ = 58520642587968. Its totient is φ = 24381855907200.

The previous prime is 40231502013007. The next prime is 40231502013023. The reversal of 40231502013021 is 12031020513204.

It is not a de Polignac number, because 40231502013021 - 2¹⁵ = 40231501980253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40231502012982 and 40231502013000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231502013023) 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, 20877946 + ... + 22723371.

It is an arithmetic number, because the mean of its divisors is an integer number (3657540161748).

Almost surely, 2^{40231502013021} is an apocalyptic number.

It is an amenable number.

40231502013021 is a deficient number, since it is larger than the sum of its proper divisors (18289140574947).

40231502013021 is a wasteful number, since it uses less digits than its factorization.

40231502013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43629292.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 40231502013021 its reverse (12031020513204), we get a palindrome (52262522526225).

The spelling of 40231502013021 in words is "forty trillion, two hundred thirty-one billion, five hundred two million, thirteen thousand, twenty-one".