40630425 has 48 divisors (see below), whose sum is σ = 77620032. Its totient is φ = 18534400.

The previous prime is 40630423. The next prime is 40630441. The reversal of 40630425 is 52403604.

It is not a de Polignac number, because 40630425 - 2¹ = 40630423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40630395 and 40630404.

It is not an unprimeable number, because it can be changed into a prime (40630423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12577 + ... + 15473.

It is an arithmetic number, because the mean of its divisors is an integer number (1617084).

Almost surely, 2^40630425 is an apocalyptic number.

It is an amenable number.

40630425 is a deficient number, since it is larger than the sum of its proper divisors (36989607).

40630425 is a wasteful number, since it uses less digits than its factorization.

40630425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40630425 is about 6374.1999497976. The cubic root of 40630425 is about 343.7825181359.

The spelling of 40630425 in words is "forty million, six hundred thirty thousand, four hundred twenty-five".