2540166530004 has 48 divisors (see below), whose sum is σ = 6588863243200. Its totient is φ = 846304793568.

The previous prime is 2540166529991. The next prime is 2540166530009. The reversal of 2540166530004 is 4000356610452.

2540166530004 is a `hidden beast` number, since 2 + 540 + 1 + 66 + 53 + 0 + 0 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540166530009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5576842 + ... + 6015105.

Almost surely, 2^{2540166530004} is an apocalyptic number.

It is an amenable number.

2540166530004 is an abundant number, since it is smaller than the sum of its proper divisors (4048696713196).

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

2540166530004 is a wasteful number, since it uses less digits than its factorization.

2540166530004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11593989 (or 11593981 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 2540166530004 in words is "two trillion, five hundred forty billion, one hundred sixty-six million, five hundred thirty thousand, four".