427040616280 has 32 divisors (see below), whose sum is σ = 960988202640. Its totient is φ = 170790145920.

The previous prime is 427040616241. The next prime is 427040616341. The reversal of 427040616280 is 82616040724.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549519 + ... + 1075198.

Almost surely, 2^427040616280 is an apocalyptic number.

427040616280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427040616280 is an abundant number, since it is smaller than the sum of its proper divisors (533947586360).

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

427040616280 is a wasteful number, since it uses less digits than its factorization.

427040616280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631299 (or 1631295 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 427040616280 in words is "four hundred twenty-seven billion, forty million, six hundred sixteen thousand, two hundred eighty".