2115496800 has 216 divisors, whose sum is σ = 7634370744. Its totient is φ = 550932480.

The previous prime is 2115496781. The next prime is 2115496807. The reversal of 2115496800 is 86945112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115496807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 306184 + ... + 313016.

It is an arithmetic number, because the mean of its divisors is an integer number (35344309).

Almost surely, 2^2115496800 is an apocalyptic number.

2115496800 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 2115496800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3817185372).

2115496800 is an abundant number, since it is smaller than the sum of its proper divisors (5518873944).

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

2115496800 is a wasteful number, since it uses less digits than its factorization.

2115496800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902 (or 6886 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 2115496800 is about 45994.5301095685. The cubic root of 2115496800 is about 1283.7214290710.

The spelling of 2115496800 in words is "two billion, one hundred fifteen million, four hundred ninety-six thousand, eight hundred".