472240040 has 32 divisors (see below), whose sum is σ = 1079964360. Its totient is φ = 185798400.

The previous prime is 472240039. The next prime is 472240057. The reversal of 472240040 is 40042274.

It can be written as a sum of positive squares in 4 ways, for example, as 270997444 + 201242596 = 16462^2 + 14186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 472239988 and 472240015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94331 + ... + 99210.

Almost surely, 2^472240040 is an apocalyptic number.

472240040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472240040 is an abundant number, since it is smaller than the sum of its proper divisors (607724320).

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

472240040 is a wasteful number, since it uses less digits than its factorization.

472240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193613 (or 193609 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 472240040 is about 21731.0846484937. The cubic root of 472240040 is about 778.7312487809.

The spelling of 472240040 in words is "four hundred seventy-two million, two hundred forty thousand, forty".