40521132525 has 24 divisors (see below), whose sum is σ = 67261882464. Its totient is φ = 21525160000.

The previous prime is 40521132497. The next prime is 40521132539. The reversal of 40521132525 is 52523112504.

It is not a de Polignac number, because 40521132525 - 2⁷ = 40521132397 is a prime.

It is a super-2 number, since 2×40521132525² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40521132492 and 40521132501.

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, 1057434 + ... + 1095083.

It is an arithmetic number, because the mean of its divisors is an integer number (2802578436).

Almost surely, 2^40521132525 is an apocalyptic number.

It is an amenable number.

40521132525 is a deficient number, since it is larger than the sum of its proper divisors (26740749939).

40521132525 is a wasteful number, since it uses less digits than its factorization.

40521132525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152781 (or 2152776 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 40521132525 in words is "forty billion, five hundred twenty-one million, one hundred thirty-two thousand, five hundred twenty-five".