601423920 has 80 divisors (see below), whose sum is σ = 2071578720. Its totient is φ = 160379136.

The previous prime is 601423903. The next prime is 601423931. The reversal of 601423920 is 29324106.

601423920 is a `hidden beast` number, since 601 + 4 + 2 + 39 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137059 + ... + 141378.

It is an arithmetic number, because the mean of its divisors is an integer number (25894734).

Almost surely, 2^601423920 is an apocalyptic number.

601423920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

601423920 is an abundant number, since it is smaller than the sum of its proper divisors (1470154800).

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

601423920 is a wasteful number, since it uses less digits than its factorization.

601423920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278459 (or 278447 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 601423920 is about 24523.9458489045. The cubic root of 601423920 is about 844.0993496549.

The spelling of 601423920 in words is "six hundred one million, four hundred twenty-three thousand, nine hundred twenty".