472156242 has 16 divisors (see below), whose sum is σ = 944542560. Its totient is φ = 157347072.

The previous prime is 472156241. The next prime is 472156343. The reversal of 472156242 is 242651274.

It is not an unprimeable number, because it can be changed into a prime (472156241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29109 + ... + 42327.

It is an arithmetic number, because the mean of its divisors is an integer number (59033910).

Almost surely, 2^472156242 is an apocalyptic number.

472156242 is an abundant number, since it is smaller than the sum of its proper divisors (472386318).

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

472156242 is a wasteful number, since it uses less digits than its factorization.

472156242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19177.

The product of its digits is 26880, while the sum is 33.

The square root of 472156242 is about 21729.1564953636. The cubic root of 472156242 is about 778.6851846498.

The spelling of 472156242 in words is "four hundred seventy-two million, one hundred fifty-six thousand, two hundred forty-two".