2505140154 has 48 divisors (see below), whose sum is σ = 5957643744. Its totient is φ = 754466400.

The previous prime is 2505140153. The next prime is 2505140159. The reversal of 2505140154 is 4510415052.

2505140154 is a `hidden beast` number, since 2 + 505 + 1 + 4 + 0 + 154 = 666.

It is not an unprimeable number, because it can be changed into a prime (2505140153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6537 + ... + 71084.

It is an arithmetic number, because the mean of its divisors is an integer number (124117578).

Almost surely, 2^2505140154 is an apocalyptic number.

2505140154 is an abundant number, since it is smaller than the sum of its proper divisors (3452503590).

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

2505140154 is a wasteful number, since it uses less digits than its factorization.

2505140154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77803 (or 77800 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2505140154 is about 50051.3751459438. The cubic root of 2505140154 is about 1358.1383398348.

The spelling of 2505140154 in words is "two billion, five hundred five million, one hundred forty thousand, one hundred fifty-four".