2515023642 has 24 divisors (see below), whose sum is σ = 5258260224. Its totient is φ = 801890584.

The previous prime is 2515023631. The next prime is 2515023649. The reversal of 2515023642 is 2463205152.

2515023642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2515023649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393018 + ... + 399365.

It is an arithmetic number, because the mean of its divisors is an integer number (219094176).

Almost surely, 2^2515023642 is an apocalyptic number.

2515023642 is an abundant number, since it is smaller than the sum of its proper divisors (2743236582).

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

2515023642 is a wasteful number, since it uses less digits than its factorization.

2515023642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792434 (or 792411 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2515023642 is about 50150.0113858412. The cubic root of 2515023642 is about 1359.9220763456.

Adding to 2515023642 its reverse (2463205152), we get a palindrome (4978228794).

The spelling of 2515023642 in words is "two billion, five hundred fifteen million, twenty-three thousand, six hundred forty-two".