40744425 has 12 divisors (see below), whose sum is σ = 67364240. Its totient is φ = 21730320.

The previous prime is 40744409. The next prime is 40744453. The reversal of 40744425 is 52444704.

It is not a de Polignac number, because 40744425 - 2⁴ = 40744409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40744392 and 40744401.

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, 271555 + ... + 271704.

Almost surely, 2^40744425 is an apocalyptic number.

It is an amenable number.

40744425 is a deficient number, since it is larger than the sum of its proper divisors (26619815).

40744425 is a wasteful number, since it uses less digits than its factorization.

40744425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543272 (or 543267 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 40744425 is about 6383.1359847649. The cubic root of 40744425 is about 344.1037438359.

The spelling of 40744425 in words is "forty million, seven hundred forty-four thousand, four hundred twenty-five".