472623562440 has 48 divisors (see below), whose sum is σ = 1536026579100. Its totient is φ = 126032949888.

The previous prime is 472623562337. The next prime is 472623562447. The reversal of 472623562440 is 44265326274.

472623562440 is a `hidden beast` number, since 4 + 7 + 26 + 23 + 562 + 4 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 470906123076 + 1717439364 = 686226^2 + 41442^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (472623562447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 656421255 + ... + 656421974.

Almost surely, 2^472623562440 is an apocalyptic number.

472623562440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472623562440 is an abundant number, since it is smaller than the sum of its proper divisors (1063403016660).

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

472623562440 is a wasteful number, since it uses less digits than its factorization.

472623562440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312843246 (or 1312843239 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 472623562440 in words is "four hundred seventy-two billion, six hundred twenty-three million, five hundred sixty-two thousand, four hundred forty".