40500312 has 32 divisors (see below), whose sum is σ = 101407680. Its totient is φ = 13479200.

The previous prime is 40500301. The next prime is 40500329. The reversal of 40500312 is 21300504.

It is a junction number, because it is equal to n+sod(n) for n = 40500291 and 40500300.

It is a congruent number.

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, 27187 + ... + 28637.

It is an arithmetic number, because the mean of its divisors is an integer number (3168990).

Almost surely, 2^40500312 is an apocalyptic number.

It is an amenable number.

40500312 is an abundant number, since it is smaller than the sum of its proper divisors (60907368).

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

40500312 is a wasteful number, since it uses less digits than its factorization.

40500312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40500312 is about 6363.9855436668. The cubic root of 40500312 is about 343.4151546177.

Adding to 40500312 its reverse (21300504), we get a palindrome (61800816).

The spelling of 40500312 in words is "forty million, five hundred thousand, three hundred twelve".