40616840 has 32 divisors (see below), whose sum is σ = 99696960. Its totient is φ = 14769600.

The previous prime is 40616837. The next prime is 40616857. The reversal of 40616840 is 4861604.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45716 + ... + 46595.

It is an arithmetic number, because the mean of its divisors is an integer number (3115530).

Almost surely, 2^40616840 is an apocalyptic number.

40616840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40616840 is an abundant number, since it is smaller than the sum of its proper divisors (59080120).

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

40616840 is a wasteful number, since it uses less digits than its factorization.

40616840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92333 (or 92329 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40616840 is about 6373.1342367786. The cubic root of 40616840 is about 343.7441986900.

It can be divided in two parts, 4061 and 6840, that added together give a palindrome (10901).

The spelling of 40616840 in words is "forty million, six hundred sixteen thousand, eight hundred forty".