654964380 has 360 divisors, whose sum is σ = 2465705088. Its totient is φ = 145006848.

The previous prime is 654964379. The next prime is 654964397. The reversal of 654964380 is 83469456.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2936949 + ... + 2937171.

Almost surely, 2^654964380 is an apocalyptic number.

654964380 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 654964380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232852544).

654964380 is an abundant number, since it is smaller than the sum of its proper divisors (1810740708).

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

654964380 is a wasteful number, since it uses less digits than its factorization.

654964380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 654964380 is about 25592.2718803939. The cubic root of 654964380 is about 868.4388173138.

The spelling of 654964380 in words is "six hundred fifty-four million, nine hundred sixty-four thousand, three hundred eighty".