1655452260 has 432 divisors, whose sum is σ = 6471384192. Its totient is φ = 338688000.

The previous prime is 1655452229. The next prime is 1655452303. The reversal of 1655452260 is 622545561.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10963185 + ... + 10963335.

It is an arithmetic number, because the mean of its divisors is an integer number (14980056).

Almost surely, 2^1655452260 is an apocalyptic number.

1655452260 is a gapful number since it is divisible by the number (10) 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 1655452260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3235692096).

1655452260 is an abundant number, since it is smaller than the sum of its proper divisors (4815931932).

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

1655452260 is a wasteful number, since it uses less digits than its factorization.

1655452260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 1655452260 is about 40687.2493540667. The cubic root of 1655452260 is about 1182.9658848979.

The spelling of 1655452260 in words is "one billion, six hundred fifty-five million, four hundred fifty-two thousand, two hundred sixty".