427252490 has 32 divisors (see below), whose sum is σ = 880274304. Its totient is φ = 146260800.

The previous prime is 427252489. The next prime is 427252493. The reversal of 427252490 is 94252724.

It is a super-2 number, since 2×427252490² = 365089380422400200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 427252490.

It is not an unprimeable number, because it can be changed into a prime (427252493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44717 + ... + 53423.

It is an arithmetic number, because the mean of its divisors is an integer number (27508572).

Almost surely, 2^427252490 is an apocalyptic number.

427252490 is an abundant number, since it is smaller than the sum of its proper divisors (453021814).

427252490 is a wasteful number, since it uses less digits than its factorization.

427252490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 427252490 is about 20670.0868406497. The cubic root of 427252490 is about 753.1732160725.

The spelling of 427252490 in words is "four hundred twenty-seven million, two hundred fifty-two thousand, four hundred ninety".