40608432 has 160 divisors (see below), whose sum is σ = 125468160. Its totient is φ = 12545280.

The previous prime is 40608391. The next prime is 40608437. The reversal of 40608432 is 23480604.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40608396 and 40608405.

It is not an unprimeable number, because it can be changed into a prime (40608437) 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, 606063 + ... + 606129.

It is an arithmetic number, because the mean of its divisors is an integer number (784176).

Almost surely, 2^40608432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40608432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62734080).

40608432 is an abundant number, since it is smaller than the sum of its proper divisors (84859728).

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

40608432 is a wasteful number, since it uses less digits than its factorization.

40608432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40608432 is about 6372.4745585997. The cubic root of 40608432 is about 343.7204778172.

The spelling of 40608432 in words is "forty million, six hundred eight thousand, four hundred thirty-two".