2015500764 has 48 divisors (see below), whose sum is σ = 4962504960. Its totient is φ = 635395200.

The previous prime is 2015500717. The next prime is 2015500769. The reversal of 2015500764 is 4670055102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015500769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16462 + ... + 65589.

It is an arithmetic number, because the mean of its divisors is an integer number (103385520).

Almost surely, 2^2015500764 is an apocalyptic number.

It is an amenable number.

2015500764 is an abundant number, since it is smaller than the sum of its proper divisors (2947004196).

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

2015500764 is a wasteful number, since it uses less digits than its factorization.

2015500764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82170 (or 82168 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2015500764 is about 44894.3288623407. The cubic root of 2015500764 is about 1263.1676333398.

Adding to 2015500764 its reverse (4670055102), we get a palindrome (6685555866).

The spelling of 2015500764 in words is "two billion, fifteen million, five hundred thousand, seven hundred sixty-four".