2542475556 has 18 divisors (see below), whose sum is σ = 6426813302. Its totient is φ = 847491840.

The previous prime is 2542475513. The next prime is 2542475567. The reversal of 2542475556 is 6555742452.

2542475556 is a `hidden beast` number, since 2 + 5 + 4 + 24 + 75 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1633453056 + 909022500 = 40416^2 + 30150^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35312125 + ... + 35312196.

Almost surely, 2^2542475556 is an apocalyptic number.

It is an amenable number.

2542475556 is an abundant number, since it is smaller than the sum of its proper divisors (3884337746).

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

2542475556 is a wasteful number, since it uses less digits than its factorization.

2542475556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70624331 (or 70624326 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 45.

The square root of 2542475556 is about 50422.9665529508. The cubic root of 2542475556 is about 1364.8521097272.

The spelling of 2542475556 in words is "two billion, five hundred forty-two million, four hundred seventy-five thousand, five hundred fifty-six".