2555349632 has 128 divisors (see below), whose sum is σ = 5725235520. Its totient is φ = 1135580160.

The previous prime is 2555349617. The next prime is 2555349659. The reversal of 2555349632 is 2369435552.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 9029363 + ... + 9029645.

Almost surely, 2^2555349632 is an apocalyptic number.

2555349632 is a gapful number since it is divisible by the number (22) 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 2555349632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2862617760).

2555349632 is an abundant number, since it is smaller than the sum of its proper divisors (3169885888).

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

2555349632 is an equidigital number, since it uses as much as digits as its factorization.

2555349632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 349 counting only the distinct ones).

The product of its digits is 972000, while the sum is 44.

The square root of 2555349632 is about 50550.4661897395. The cubic root of 2555349632 is about 1367.1519201156.

The spelling of 2555349632 in words is "two billion, five hundred fifty-five million, three hundred forty-nine thousand, six hundred thirty-two".