472047221492 has 24 divisors (see below), whose sum is σ = 1029921211200. Its totient is φ = 183914501760.

The previous prime is 472047221473. The next prime is 472047221521. The reversal of 472047221492 is 294122740274.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766310117 + ... + 766310732.

It is an arithmetic number, because the mean of its divisors is an integer number (42913383800).

Almost surely, 2^472047221492 is an apocalyptic number.

It is an amenable number.

472047221492 is an abundant number, since it is smaller than the sum of its proper divisors (557873989708).

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

472047221492 is a wasteful number, since it uses less digits than its factorization.

472047221492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532620871 (or 1532620869 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 472047221492 in words is "four hundred seventy-two billion, forty-seven million, two hundred twenty-one thousand, four hundred ninety-two".