40512411202521 has 32 divisors (see below), whose sum is σ = 58398142682880. Its totient is φ = 24889920067584.

The previous prime is 40512411202441. The next prime is 40512411202567. The reversal of 40512411202521 is 12520211421504.

It is not a de Polignac number, because 40512411202521 - 2¹⁸ = 40512410940377 is a prime.

It is a super-2 number, since 2×40512411202521² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40512411202421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42859690 + ... + 43794723.

It is an arithmetic number, because the mean of its divisors is an integer number (1824941958840).

Almost surely, 2^{40512411202521} is an apocalyptic number.

It is an amenable number.

40512411202521 is a deficient number, since it is larger than the sum of its proper divisors (17885731480359).

40512411202521 is a wasteful number, since it uses less digits than its factorization.

40512411202521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86654625.

The product of its (nonzero) digits is 6400, while the sum is 30.

The spelling of 40512411202521 in words is "forty trillion, five hundred twelve billion, four hundred eleven million, two hundred two thousand, five hundred twenty-one".