40630513 has 32 divisors (see below), whose sum is σ = 52715520. Its totient is φ = 30404160.

The previous prime is 40630483. The next prime is 40630519. The reversal of 40630513 is 31503604.

It is a cyclic number.

It is not a de Polignac number, because 40630513 - 2⁵ = 40630481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40630519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372703 + ... + 372811.

It is an arithmetic number, because the mean of its divisors is an integer number (1647360).

Almost surely, 2^40630513 is an apocalyptic number.

It is an amenable number.

40630513 is a deficient number, since it is larger than the sum of its proper divisors (12085007).

40630513 is a wasteful number, since it uses less digits than its factorization.

40630513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 40630513 is about 6374.2068526210. The cubic root of 40630513 is about 343.7827663312.

The spelling of 40630513 in words is "forty million, six hundred thirty thousand, five hundred thirteen".