40021213132264 has 32 divisors (see below), whose sum is σ = 92356645691520. Its totient is φ = 15832567832256.

The previous prime is 40021213132261. The next prime is 40021213132289. The reversal of 40021213132264 is 46223131212004.

It is not an unprimeable number, because it can be changed into a prime (40021213132261) 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, 27487096204 + ... + 27487097659.

It is an arithmetic number, because the mean of its divisors is an integer number (2886145177860).

Almost surely, 2^{40021213132264} is an apocalyptic number.

It is an amenable number.

40021213132264 is an abundant number, since it is smaller than the sum of its proper divisors (52335432559256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40021213132264 is a wasteful number, since it uses less digits than its factorization.

40021213132264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54974193889 (or 54974193885 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 40021213132264 its reverse (46223131212004), we get a palindrome (86244344344268).

The spelling of 40021213132264 in words is "forty trillion, twenty-one billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred sixty-four".