427380880 has 40 divisors (see below), whose sum is σ = 1025720064. Its totient is φ = 165436800.

The previous prime is 427380841. The next prime is 427380883. The reversal of 427380880 is 88083724.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (427380883) 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, 83686 + ... + 88645.

Almost surely, 2^427380880 is an apocalyptic number.

427380880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427380880 is an abundant number, since it is smaller than the sum of its proper divisors (598339184).

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

427380880 is a wasteful number, since it uses less digits than its factorization.

427380880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172375 (or 172369 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 427380880 is about 20673.1923030769. The cubic root of 427380880 is about 753.2486517356.

The spelling of 427380880 in words is "four hundred twenty-seven million, three hundred eighty thousand, eight hundred eighty".