654372240 has 160 divisors (see below), whose sum is σ = 2115936000. Its totient is φ = 167086080.

The previous prime is 654372239. The next prime is 654372289. The reversal of 654372240 is 42273456.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1036725 + ... + 1037355.

It is an arithmetic number, because the mean of its divisors is an integer number (13224600).

Almost surely, 2^654372240 is an apocalyptic number.

654372240 is a gapful number since it is divisible by the number (60) 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 654372240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057968000).

654372240 is an abundant number, since it is smaller than the sum of its proper divisors (1461563760).

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

654372240 is a wasteful number, since it uses less digits than its factorization.

654372240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 654372240 is about 25580.7005377101. The cubic root of 654372240 is about 868.1770257695.

The spelling of 654372240 in words is "six hundred fifty-four million, three hundred seventy-two thousand, two hundred forty".