40234825 has 12 divisors (see below), whose sum is σ = 49980928. Its totient is φ = 32130000.

The previous prime is 40234819. The next prime is 40234871. The reversal of 40234825 is 52843204.

It is a de Polignac number, because none of the positive numbers 2^k-40234825 is a prime.

It is a super-2 number, since 2×40234825² = 3237682285561250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40234793 and 40234802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17704 + ... + 19846.

Almost surely, 2^40234825 is an apocalyptic number.

It is an amenable number.

40234825 is a deficient number, since it is larger than the sum of its proper divisors (9746103).

40234825 is a wasteful number, since it uses less digits than its factorization.

40234825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40234825 is about 6343.0926999375. The cubic root of 40234825 is about 342.6631258035.

The spelling of 40234825 in words is "forty million, two hundred thirty-four thousand, eight hundred twenty-five".