2455500400 has 120 divisors (see below), whose sum is σ = 6282080064. Its totient is φ = 919142400.

The previous prime is 2455500379. The next prime is 2455500431. The reversal of 2455500400 is 40055542.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1311465 + ... + 1313335.

Almost surely, 2^2455500400 is an apocalyptic number.

2455500400 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 2455500400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3141040032).

2455500400 is an abundant number, since it is smaller than the sum of its proper divisors (3826579664).

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

2455500400 is a wasteful number, since it uses less digits than its factorization.

2455500400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2455500400 is about 49553.0059633117. The cubic root of 2455500400 is about 1349.1078513391.

Adding to 2455500400 its reverse (40055542), we get a palindrome (2495555942).

The spelling of 2455500400 in words is "two billion, four hundred fifty-five million, five hundred thousand, four hundred".