2540052180 has 36 divisors (see below), whose sum is σ = 7704825492. Its totient is φ = 677347200.

The previous prime is 2540052169. The next prime is 2540052191. The reversal of 2540052180 is 812500452.

It is a happy number.

2540052180 is a `hidden beast` number, since 25 + 40 + 0 + 521 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (2540052169) and next prime (2540052191).

It can be written as a sum of positive squares in 2 ways, for example, as 754820676 + 1785231504 = 27474^2 + 42252^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7055521 + ... + 7055880.

Almost surely, 2^2540052180 is an apocalyptic number.

2540052180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540052180 is an abundant number, since it is smaller than the sum of its proper divisors (5164773312).

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

2540052180 is a wasteful number, since it uses less digits than its factorization.

2540052180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14111416 (or 14111411 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 2540052180 is about 50398.9303457921. The cubic root of 2540052180 is about 1364.4183328562.

The spelling of 2540052180 in words is "two billion, five hundred forty million, fifty-two thousand, one hundred eighty".