2655532400 has 60 divisors (see below), whose sum is σ = 6443182104. Its totient is φ = 1051680000.

The previous prime is 2655532393. The next prime is 2655532417. The reversal of 2655532400 is 42355562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7535 + ... + 73265.

Almost surely, 2^2655532400 is an apocalyptic number.

2655532400 is a gapful number since it is divisible by the number (20) 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 2655532400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3221591052).

2655532400 is an abundant number, since it is smaller than the sum of its proper divisors (3787649704).

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

2655532400 is a wasteful number, since it uses less digits than its factorization.

2655532400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65850 (or 65839 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2655532400 is about 51531.8581073883. The cubic root of 2655532400 is about 1384.7898389557.

Adding to 2655532400 its reverse (42355562), we get a palindrome (2697887962).

The spelling of 2655532400 in words is "two billion, six hundred fifty-five million, five hundred thirty-two thousand, four hundred".