2500142774 has 32 divisors (see below), whose sum is σ = 4002384960. Its totient is φ = 1167228928.

The previous prime is 2500142773. The next prime is 2500142807. The reversal of 2500142774 is 4772410052.

It is a self number, because there is not a number n which added to its sum of digits gives 2500142774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500142773) 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, 3136544 + ... + 3137340.

It is an arithmetic number, because the mean of its divisors is an integer number (125074530).

Almost surely, 2^2500142774 is an apocalyptic number.

2500142774 is a deficient number, since it is larger than the sum of its proper divisors (1502242186).

2500142774 is a wasteful number, since it uses less digits than its factorization.

2500142774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 2500142774 is about 50001.4277196162. The cubic root of 2500142774 is about 1357.2346443563.

The spelling of 2500142774 in words is "two billion, five hundred million, one hundred forty-two thousand, seven hundred seventy-four".