40532521630437 has 64 divisors (see below), whose sum is σ = 64051961760000. Its totient is φ = 25243795298304.

The previous prime is 40532521630399. The next prime is 40532521630441. The reversal of 40532521630437 is 73403612523504.

It is a happy number.

40532521630437 is a `hidden beast` number, since 4 + 0 + 5 + 3 + 2 + 5 + 2 + 1 + 630 + 4 + 3 + 7 = 666.

It is not a de Polignac number, because 40532521630437 - 2⁶ = 40532521630373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40532521630392 and 40532521630401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40532521630477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97797514 + ... + 98211092.

It is an arithmetic number, because the mean of its divisors is an integer number (1000811902500).

Almost surely, 2^{40532521630437} is an apocalyptic number.

It is an amenable number.

40532521630437 is a deficient number, since it is larger than the sum of its proper divisors (23519440129563).

40532521630437 is a wasteful number, since it uses less digits than its factorization.

40532521630437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415187 (or 415181 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 40532521630437 in words is "forty trillion, five hundred thirty-two billion, five hundred twenty-one million, six hundred thirty thousand, four hundred thirty-seven".