2455215100 has 108 divisors (see below), whose sum is σ = 5818455720. Its totient is φ = 898809600.

The previous prime is 2455215083. The next prime is 2455215127. The reversal of 2455215100 is 15125542.

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 (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2213346 + ... + 2214454.

It is an arithmetic number, because the mean of its divisors is an integer number (53874590).

Almost surely, 2^2455215100 is an apocalyptic number.

2455215100 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 2455215100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2909227860).

2455215100 is an abundant number, since it is smaller than the sum of its proper divisors (3363240620).

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

2455215100 is a wasteful number, since it uses less digits than its factorization.

2455215100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2455215100 is about 49550.1271441356. The cubic root of 2455215100 is about 1349.0555992092.

The spelling of 2455215100 in words is "two billion, four hundred fifty-five million, two hundred fifteen thousand, one hundred".