40522231220452 has 12 divisors (see below), whose sum is σ = 70922583423216. Its totient is φ = 20258635956680.

The previous prime is 40522231220447. The next prime is 40522231220453. The reversal of 40522231220452 is 25402213222504.

It is not an unprimeable number, because it can be changed into a prime (40522231220453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619876618 + ... + 619941985.

It is an arithmetic number, because the mean of its divisors is an integer number (5910215285268).

Almost surely, 2^{40522231220452} is an apocalyptic number.

It is an amenable number.

40522231220452 is a deficient number, since it is larger than the sum of its proper divisors (30400352202764).

40522231220452 is a wasteful number, since it uses less digits than its factorization.

40522231220452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239826778 (or 1239826776 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40522231220452 its reverse (25402213222504), we get a palindrome (65924444442956).

The spelling of 40522231220452 in words is "forty trillion, five hundred twenty-two billion, two hundred thirty-one million, two hundred twenty thousand, four hundred fifty-two".