2015040964 has 18 divisors (see below), whose sum is σ = 3602961950. Its totient is φ = 986079552.

The previous prime is 2015040943. The next prime is 2015040967. The reversal of 2015040964 is 4690405102.

It can be written as a sum of positive squares in only one way, i.e., 1935296064 + 79744900 = 43992^2 + 8930^2 .

It is not an unprimeable number, because it can be changed into a prime (2015040967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105189 + ... + 122860.

Almost surely, 2^2015040964 is an apocalyptic number.

It is an amenable number.

2015040964 is a deficient number, since it is larger than the sum of its proper divisors (1587920986).

2015040964 is a wasteful number, since it uses less digits than its factorization.

2015040964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228147 (or 228098 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2015040964 is about 44889.2076561839. The cubic root of 2015040964 is about 1263.0715697608.

The spelling of 2015040964 in words is "two billion, fifteen million, forty thousand, nine hundred sixty-four".