40113425 has 24 divisors (see below), whose sum is σ = 54609600. Its totient is φ = 28987200.

The previous prime is 40113413. The next prime is 40113461. The reversal of 40113425 is 52431104.

It is a de Polignac number, because none of the positive numbers 2^k-40113425 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40113397 and 40113406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54359 + ... + 55091.

It is an arithmetic number, because the mean of its divisors is an integer number (2275400).

Almost surely, 2^40113425 is an apocalyptic number.

It is an amenable number.

40113425 is a deficient number, since it is larger than the sum of its proper divisors (14496175).

40113425 is a wasteful number, since it uses less digits than its factorization.

40113425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 948 counting only the distinct ones).

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

The square root of 40113425 is about 6333.5160061375. The cubic root of 40113425 is about 342.3181409738.

Adding to 40113425 its reverse (52431104), we get a palindrome (92544529).

The spelling of 40113425 in words is "forty million, one hundred thirteen thousand, four hundred twenty-five".