2115304232400 has 480 divisors, whose sum is σ = 7783734666240. Its totient is φ = 545045760000.

The previous prime is 2115304232329. The next prime is 2115304232407. The reversal of 2115304232400 is 42324035112.

2115304232400 is a `hidden beast` number, since 2 + 115 + 304 + 2 + 3 + 240 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115304232407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 234690294 + ... + 234699306.

It is an arithmetic number, because the mean of its divisors is an integer number (16216113888).

Almost surely, 2^{2115304232400} is an apocalyptic number.

2115304232400 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 2115304232400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3891867333120).

2115304232400 is an abundant number, since it is smaller than the sum of its proper divisors (5668430433840).

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

2115304232400 is a wasteful number, since it uses less digits than its factorization.

2115304232400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9772 (or 9755 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 2115304232400 its reverse (42324035112), we get a palindrome (2157628267512).

The spelling of 2115304232400 in words is "two trillion, one hundred fifteen billion, three hundred four million, two hundred thirty-two thousand, four hundred".