427250440 has 32 divisors (see below), whose sum is σ = 963495000. Its totient is φ = 170512384.

The previous prime is 427250419. The next prime is 427250441. The reversal of 427250440 is 44052724.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 297700516 + 129549924 = 17254^2 + 11382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 427250399 and 427250408.

It is not an unprimeable number, because it can be changed into a prime (427250441) 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, 6066 + ... + 29854.

Almost surely, 2^427250440 is an apocalyptic number.

427250440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427250440 is an abundant number, since it is smaller than the sum of its proper divisors (536244560).

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

427250440 is a wasteful number, since it uses less digits than its factorization.

427250440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24249 (or 24245 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 427250440 is about 20670.0372520226. The cubic root of 427250440 is about 753.1720114706.

The spelling of 427250440 in words is "four hundred twenty-seven million, two hundred fifty thousand, four hundred forty".