2515055400 has 384 divisors, whose sum is σ = 10180598400. Its totient is φ = 562636800.

The previous prime is 2515055383. The next prime is 2515055401. The reversal of 2515055400 is 45505152.

2515055400 is a `hidden beast` number, since 251 + 5 + 0 + 5 + 5 + 400 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2515055401) 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, 770572 + ... + 773828.

It is an arithmetic number, because the mean of its divisors is an integer number (26511975).

Almost surely, 2^2515055400 is an apocalyptic number.

2515055400 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 2515055400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5090299200).

2515055400 is an abundant number, since it is smaller than the sum of its proper divisors (7665543000).

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

2515055400 is a wasteful number, since it uses less digits than its factorization.

2515055400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 2515055400 is about 50150.3280148794. The cubic root of 2515055400 is about 1359.9278003771.

The spelling of 2515055400 in words is "two billion, five hundred fifteen million, fifty-five thousand, four hundred".