40021101032564 has 48 divisors (see below), whose sum is σ = 73869980184000. Its totient is φ = 18919594886400.

The previous prime is 40021101032537. The next prime is 40021101032567. The reversal of 40021101032564 is 46523010112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021101032567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718599959 + ... + 718655649.

It is an arithmetic number, because the mean of its divisors is an integer number (1538957920500).

Almost surely, 2^{40021101032564} is an apocalyptic number.

It is an amenable number.

40021101032564 is a deficient number, since it is larger than the sum of its proper divisors (33848879151436).

40021101032564 is a wasteful number, since it uses less digits than its factorization.

40021101032564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74384 (or 74382 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 40021101032564 its reverse (46523010112004), we get a palindrome (86544111144568).

The spelling of 40021101032564 in words is "forty trillion, twenty-one billion, one hundred one million, thirty-two thousand, five hundred sixty-four".