472220240 has 20 divisors (see below), whose sum is σ = 1097912244. Its totient is φ = 188888064.

The previous prime is 472220227. The next prime is 472220251. The reversal of 472220240 is 42022274.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 363893776 + 108326464 = 19076^2 + 10408^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 2951297 + ... + 2951456.

Almost surely, 2^472220240 is an apocalyptic number.

472220240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472220240 is an abundant number, since it is smaller than the sum of its proper divisors (625692004).

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

472220240 is a wasteful number, since it uses less digits than its factorization.

472220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902766 (or 5902760 counting only the distinct ones).

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

The square root of 472220240 is about 21730.6290751096. The cubic root of 472220240 is about 778.7203651251.

The spelling of 472220240 in words is "four hundred seventy-two million, two hundred twenty thousand, two hundred forty".