40532521630525 has 6 divisors (see below), whose sum is σ = 50260326821882. Its totient is φ = 32426017304400.

The previous prime is 40532521630507. The next prime is 40532521630553. The reversal of 40532521630525 is 52503612523504.

It can be written as a sum of positive squares in 3 ways, for example, as 7411783006681 + 33120738623844 = 2722459^2 + 5755062^2 .

It is not a de Polignac number, because 40532521630525 - 2²⁹ = 40531984759613 is a prime.

It is a super-2 number, since 2×40532521630525² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 810650432586 + ... + 810650432635.

Almost surely, 2^{40532521630525} is an apocalyptic number.

It is an amenable number.

40532521630525 is a deficient number, since it is larger than the sum of its proper divisors (9727805191357).

40532521630525 is a wasteful number, since it uses less digits than its factorization.

40532521630525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621300865231 (or 1621300865226 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 40532521630525 in words is "forty trillion, five hundred thirty-two billion, five hundred twenty-one million, six hundred thirty thousand, five hundred twenty-five".