40437425 has 24 divisors (see below), whose sum is σ = 57585600. Its totient is φ = 27593280.

The previous prime is 40437403. The next prime is 40437431. The reversal of 40437425 is 52473404.

It is not a de Polignac number, because 40437425 - 2¹⁰ = 40436401 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46646 + ... + 47504.

It is an arithmetic number, because the mean of its divisors is an integer number (2399400).

Almost surely, 2^40437425 is an apocalyptic number.

It is an amenable number.

40437425 is a deficient number, since it is larger than the sum of its proper divisors (17148175).

40437425 is a wasteful number, since it uses less digits than its factorization.

40437425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 40437425 is about 6359.0427738772. The cubic root of 40437425 is about 343.2373161818.

The spelling of 40437425 in words is "forty million, four hundred thirty-seven thousand, four hundred twenty-five".