427250880 has 168 divisors, whose sum is σ = 1679582112. Its totient is φ = 97652736.

The previous prime is 427250843. The next prime is 427250903. The reversal of 427250880 is 88052724.

It is a happy number.

427250880 is a `hidden beast` number, since 4 + 2 + 72 + 508 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9564 + ... + 30756.

Almost surely, 2^427250880 is an apocalyptic number.

427250880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427250880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839791056).

427250880 is an abundant number, since it is smaller than the sum of its proper divisors (1252331232).

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

427250880 is a wasteful number, since it uses less digits than its factorization.

427250880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21223 (or 21210 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 427250880 is about 20670.0478954452. The cubic root of 427250880 is about 753.1722700196.

The spelling of 427250880 in words is "four hundred twenty-seven million, two hundred fifty thousand, eight hundred eighty".