472669440 has 72 divisors (see below), whose sum is σ = 1509600288. Its totient is φ = 126044160.

The previous prime is 472669433. The next prime is 472669447. The reversal of 472669440 is 44966274.

It is an interprime number because it is at equal distance from previous prime (472669433) and next prime (472669447).

It is a junction number, because it is equal to n+sod(n) for n = 472669392 and 472669401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472669447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57706 + ... + 65385.

Almost surely, 2^472669440 is an apocalyptic number.

472669440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472669440 is an abundant number, since it is smaller than the sum of its proper divisors (1036930848).

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

472669440 is a wasteful number, since it uses less digits than its factorization.

472669440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123115 (or 123101 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 472669440 is about 21740.9622602129. The cubic root of 472669440 is about 778.9672063944.

The spelling of 472669440 in words is "four hundred seventy-two million, six hundred sixty-nine thousand, four hundred forty".