472181390 has 8 divisors (see below), whose sum is σ = 849926520. Its totient is φ = 188872552.

The previous prime is 472181387. The next prime is 472181417. The reversal of 472181390 is 93181274.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 472181390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23609060 + ... + 23609079.

It is an arithmetic number, because the mean of its divisors is an integer number (106240815).

Almost surely, 2^472181390 is an apocalyptic number.

472181390 is a deficient number, since it is larger than the sum of its proper divisors (377745130).

472181390 is a wasteful number, since it uses less digits than its factorization.

472181390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47218146.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 472181390 is about 21729.7351571527. The cubic root of 472181390 is about 778.6990091889.

The spelling of 472181390 in words is "four hundred seventy-two million, one hundred eighty-one thousand, three hundred ninety".