40112452 has 24 divisors (see below), whose sum is σ = 76892760. Its totient is φ = 18224640.

The previous prime is 40112411. The next prime is 40112461. The reversal of 40112452 is 25421104.

It can be written as a sum of positive squares in 4 ways, for example, as 13424896 + 26687556 = 3664^2 + 5166^2 .

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, 8199 + ... + 12142.

It is an arithmetic number, because the mean of its divisors is an integer number (3203865).

Almost surely, 2^40112452 is an apocalyptic number.

It is an amenable number.

40112452 is a deficient number, since it is larger than the sum of its proper divisors (36780308).

40112452 is a wasteful number, since it uses less digits than its factorization.

40112452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20391 (or 20389 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40112452 is about 6333.4391920978. The cubic root of 40112452 is about 342.3153731702.

Adding to 40112452 its reverse (25421104), we get a palindrome (65533556).

The spelling of 40112452 in words is "forty million, one hundred twelve thousand, four hundred fifty-two".