40608456 has 64 divisors (see below), whose sum is σ = 118416000. Its totient is φ = 11600064.

The previous prime is 40608443. The next prime is 40608467. The reversal of 40608456 is 65480604.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5766 + ... + 10698.

It is an arithmetic number, because the mean of its divisors is an integer number (1850250).

Almost surely, 2^40608456 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 40608456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59208000).

40608456 is an abundant number, since it is smaller than the sum of its proper divisors (77807544).

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

40608456 is a wasteful number, since it uses less digits than its factorization.

40608456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963 (or 4945 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 40608456 is about 6372.4764416983. The cubic root of 40608456 is about 343.7205455313.

The spelling of 40608456 in words is "forty million, six hundred eight thousand, four hundred fifty-six".