2542556160 has 264 divisors, whose sum is σ = 9196761600. Its totient is φ = 648265728.

The previous prime is 2542556147. The next prime is 2542556173. The reversal of 2542556160 is 616552452.

2542556160 is a `hidden beast` number, since 2 + 5 + 42 + 556 + 1 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (2542556147) and next prime (2542556173).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1058641 + ... + 1061039.

Almost surely, 2^2542556160 is an apocalyptic number.

2542556160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2542556160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4598380800).

2542556160 is an abundant number, since it is smaller than the sum of its proper divisors (6654205440).

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

2542556160 is a wasteful number, since it uses less digits than its factorization.

2542556160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2542556160 is about 50423.7658252535. The cubic root of 2542556160 is about 1364.8665328586.

The spelling of 2542556160 in words is "two billion, five hundred forty-two million, five hundred fifty-six thousand, one hundred sixty".