40318928 has 20 divisors (see below), whose sum is σ = 84127428. Its totient is φ = 18608640.

The previous prime is 40318919. The next prime is 40318939. The reversal of 40318928 is 82981304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11888704 + 28430224 = 3448^2 + 5332^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96713 + ... + 97128.

Almost surely, 2^40318928 is an apocalyptic number.

It is an amenable number.

40318928 is an abundant number, since it is smaller than the sum of its proper divisors (43808500).

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

40318928 is a wasteful number, since it uses less digits than its factorization.

40318928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193862 (or 193856 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 40318928 is about 6349.7187339283. The cubic root of 40318928 is about 342.9017162949.

The spelling of 40318928 in words is "forty million, three hundred eighteen thousand, nine hundred twenty-eight".