40113452 has 12 divisors (see below), whose sum is σ = 70664496. Its totient is φ = 19923600.

The previous prime is 40113413. The next prime is 40113461. The reversal of 40113452 is 25431104.

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, 32603 + ... + 33810.

It is an arithmetic number, because the mean of its divisors is an integer number (5888708).

Almost surely, 2^40113452 is an apocalyptic number.

It is an amenable number.

40113452 is a deficient number, since it is larger than the sum of its proper divisors (30551044).

40113452 is a wasteful number, since it uses less digits than its factorization.

40113452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66568 (or 66566 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40113452 is about 6333.5181376546. The cubic root of 40113452 is about 342.3182177775.

Adding to 40113452 its reverse (25431104), we get a palindrome (65544556).

The spelling of 40113452 in words is "forty million, one hundred thirteen thousand, four hundred fifty-two".