472261240 has 32 divisors (see below), whose sum is σ = 1159187760. Its totient is φ = 171731200.

The previous prime is 472261219. The next prime is 472261243. The reversal of 472261240 is 42162274.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 472261199 and 472261208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472261243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536221 + ... + 537100.

Almost surely, 2^472261240 is an apocalyptic number.

472261240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472261240 is an abundant number, since it is smaller than the sum of its proper divisors (686926520).

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

472261240 is a wasteful number, since it uses less digits than its factorization.

472261240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073343 (or 1073339 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 472261240 is about 21731.5724235500. The cubic root of 472261240 is about 778.7429016510.

The spelling of 472261240 in words is "four hundred seventy-two million, two hundred sixty-one thousand, two hundred forty".