40618788 has 24 divisors (see below), whose sum is σ = 108316992. Its totient is φ = 11605344.

The previous prime is 40618769. The next prime is 40618801. The reversal of 40618788 is 88781604.

40618788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241695 + ... + 241862.

It is an arithmetic number, because the mean of its divisors is an integer number (4513208).

Almost surely, 2^40618788 is an apocalyptic number.

It is an amenable number.

40618788 is an abundant number, since it is smaller than the sum of its proper divisors (67698204).

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

40618788 is a wasteful number, since it uses less digits than its factorization.

40618788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483571 (or 483569 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 40618788 is about 6373.2870639883. The cubic root of 40618788 is about 343.7496939722.

It can be divided in two parts, 40 and 618788, that added together give a triangular number (618828 = T₁₁₁₂).

The spelling of 40618788 in words is "forty million, six hundred eighteen thousand, seven hundred eighty-eight".