40513630 has 8 divisors (see below), whose sum is σ = 72924552. Its totient is φ = 16205448.

The previous prime is 40513619. The next prime is 40513633. The reversal of 40513630 is 3631504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40513633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025672 + ... + 2025691.

It is an arithmetic number, because the mean of its divisors is an integer number (9115569).

Almost surely, 2^40513630 is an apocalyptic number.

40513630 is a deficient number, since it is larger than the sum of its proper divisors (32410922).

40513630 is a wasteful number, since it uses less digits than its factorization.

40513630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051370.

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

The square root of 40513630 is about 6365.0318145316. The cubic root of 40513630 is about 343.4527930256.

The spelling of 40513630 in words is "forty million, five hundred thirteen thousand, six hundred thirty".