40401321042204 has 72 divisors (see below), whose sum is σ = 108576478981152. Its totient is φ = 12638531917440.

The previous prime is 40401321042191. The next prime is 40401321042233. The reversal of 40401321042204 is 40224012310404.

40401321042204 is a `hidden beast` number, since 4 + 0 + 401 + 3 + 2 + 10 + 42 + 204 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460275607 + ... + 460363374.

It is an arithmetic number, because the mean of its divisors is an integer number (1508006652516).

Almost surely, 2^{40401321042204} is an apocalyptic number.

It is an amenable number.

40401321042204 is an abundant number, since it is smaller than the sum of its proper divisors (68175157938948).

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

40401321042204 is a wasteful number, since it uses less digits than its factorization.

40401321042204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920639067 (or 920639062 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40401321042204 its reverse (40224012310404), we get a palindrome (80625333352608).

The spelling of 40401321042204 in words is "forty trillion, four hundred one billion, three hundred twenty-one million, forty-two thousand, two hundred four".