2542633155 has 24 divisors (see below), whose sum is σ = 4526348112. Its totient is φ = 1319419584.

The previous prime is 2542633151. The next prime is 2542633193. The reversal of 2542633155 is 5513362452.

2542633155 is a `hidden beast` number, since 2 + 5 + 4 + 2 + 633 + 15 + 5 = 666.

It is not a de Polignac number, because 2542633155 - 2² = 2542633151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2542633151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761889 + ... + 765218.

It is an arithmetic number, because the mean of its divisors is an integer number (188597838).

Almost surely, 2^2542633155 is an apocalyptic number.

2542633155 is a deficient number, since it is larger than the sum of its proper divisors (1983714957).

2542633155 is a wasteful number, since it uses less digits than its factorization.

2542633155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527155 (or 1527152 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 2542633155 is about 50424.5292987451. The cubic root of 2542633155 is about 1364.8803099175.

The spelling of 2542633155 in words is "two billion, five hundred forty-two million, six hundred thirty-three thousand, one hundred fifty-five".