40312452 has 24 divisors (see below), whose sum is σ = 99013600. Its totient is φ = 12730176.

The previous prime is 40312439. The next prime is 40312463. The reversal of 40312452 is 25421304.

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, 88177 + ... + 88632.

Almost surely, 2^40312452 is an apocalyptic number.

It is an amenable number.

40312452 is an abundant number, since it is smaller than the sum of its proper divisors (58701148).

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

40312452 is a wasteful number, since it uses less digits than its factorization.

40312452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176835 (or 176833 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40312452 is about 6349.2087696027. The cubic root of 40312452 is about 342.8833564283.

Adding to 40312452 its reverse (25421304), we get a palindrome (65733756).

The spelling of 40312452 in words is "forty million, three hundred twelve thousand, four hundred fifty-two".