2515477272 has 128 divisors (see below), whose sum is σ = 7973683200. Its totient is φ = 642268800.

The previous prime is 2515477243. The next prime is 2515477291. The reversal of 2515477272 is 2727745152.

It is a happy number.

2515477272 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97497 + ... + 120567.

It is an arithmetic number, because the mean of its divisors is an integer number (62294400).

Almost surely, 2^2515477272 is an apocalyptic number.

2515477272 is a gapful number since it is divisible by the number (22) 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 2515477272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3986841600).

2515477272 is an abundant number, since it is smaller than the sum of its proper divisors (5458205928).

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

2515477272 is a wasteful number, since it uses less digits than its factorization.

2515477272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23157 (or 23153 counting only the distinct ones).

The product of its digits is 274400, while the sum is 42.

The square root of 2515477272 is about 50154.5339126983. The cubic root of 2515477272 is about 1360.0038336109.

The spelling of 2515477272 in words is "two billion, five hundred fifteen million, four hundred seventy-seven thousand, two hundred seventy-two".