63159340 has 24 divisors (see below), whose sum is σ = 133952112. Its totient is φ = 25012800.

The previous prime is 63159337. The next prime is 63159353. The reversal of 63159340 is 4395136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13614 + ... + 17653.

It is an arithmetic number, because the mean of its divisors is an integer number (5581338).

Almost surely, 2^63159340 is an apocalyptic number.

It is an amenable number.

63159340 is an abundant number, since it is smaller than the sum of its proper divisors (70792772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63159340 is a wasteful number, since it uses less digits than its factorization.

63159340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31377 (or 31375 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 63159340 is about 7947.2850710164. The cubic root of 63159340 is about 398.2409002607.

The spelling of 63159340 in words is "sixty-three million, one hundred fifty-nine thousand, three hundred forty".