40310672 has 20 divisors (see below), whose sum is σ = 82696716. Its totient is φ = 18969600.

The previous prime is 40310663. The next prime is 40310701. The reversal of 40310672 is 27601304.

It can be written as a sum of positive squares in 2 ways, for example, as 14868736 + 25441936 = 3856^2 + 5044^2 .

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, 73829 + ... + 74372.

Almost surely, 2^40310672 is an apocalyptic number.

It is an amenable number.

40310672 is an abundant number, since it is smaller than the sum of its proper divisors (42386044).

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

40310672 is a wasteful number, since it uses less digits than its factorization.

40310672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148226 (or 148220 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40310672 is about 6349.0685931088. The cubic root of 40310672 is about 342.8783096720.

Adding to 40310672 its reverse (27601304), we get a palindrome (67911976).

The spelling of 40310672 in words is "forty million, three hundred ten thousand, six hundred seventy-two".