42631156 has 12 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 21290360.

The previous prime is 42631153. The next prime is 42631157. The reversal of 42631156 is 65113624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42631151) 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, 2206 + ... + 9493.

It is an arithmetic number, because the mean of its divisors is an integer number (6224400).

Almost surely, 2^42631156 is an apocalyptic number.

It is an amenable number.

42631156 is a deficient number, since it is larger than the sum of its proper divisors (32061644).

42631156 is a wasteful number, since it uses less digits than its factorization.

42631156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614 (or 12612 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 42631156 is about 6529.2538624256. The cubic root of 42631156 is about 349.3352170356.

The spelling of 42631156 in words is "forty-two million, six hundred thirty-one thousand, one hundred fifty-six".