2625179942 has 48 divisors (see below), whose sum is σ = 5006486016. Its totient is φ = 1010420400.

The previous prime is 2625179891. The next prime is 2625179987. The reversal of 2625179942 is 2499715262.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131267 + ... + 149937.

It is an arithmetic number, because the mean of its divisors is an integer number (104301792).

Almost surely, 2^2625179942 is an apocalyptic number.

2625179942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2625179942 is a deficient number, since it is larger than the sum of its proper divisors (2381306074).

2625179942 is a wasteful number, since it uses less digits than its factorization.

2625179942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18785 (or 18774 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 2625179942 is about 51236.5098538142. The cubic root of 2625179942 is about 1379.4936078725.

The spelling of 2625179942 in words is "two billion, six hundred twenty-five million, one hundred seventy-nine thousand, nine hundred forty-two".