40632523425 has 192 divisors, whose sum is σ = 83154677760. Its totient is φ = 19325917440.

The previous prime is 40632523417. The next prime is 40632523427. The reversal of 40632523425 is 52432523604.

40632523425 is a `hidden beast` number, since 4 + 0 + 63 + 252 + 342 + 5 = 666.

40632523425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40632523425 - 2³ = 40632523417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40632523425.

It is not an unprimeable number, because it can be changed into a prime (40632523427) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 34230682 + ... + 34231868.

It is an arithmetic number, because the mean of its divisors is an integer number (433097280).

Almost surely, 2^40632523425 is an apocalyptic number.

40632523425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40632523425 is an abundant number, since it is smaller than the sum of its proper divisors (42522154335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40632523425 is a wasteful number, since it uses less digits than its factorization.

40632523425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 40632523425 in words is "forty billion, six hundred thirty-two million, five hundred twenty-three thousand, four hundred twenty-five".