2554512642 has 24 divisors (see below), whose sum is σ = 6037939440. Its totient is φ = 774094680.

The previous prime is 2554512577. The next prime is 2554512683. The reversal of 2554512642 is 2462154552.

2554512642 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 5 + 1 + 2 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2554512597 and 2554512606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6450592 + ... + 6450987.

It is an arithmetic number, because the mean of its divisors is an integer number (251580810).

Almost surely, 2^2554512642 is an apocalyptic number.

2554512642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2554512642 is an abundant number, since it is smaller than the sum of its proper divisors (3483426798).

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

2554512642 is a wasteful number, since it uses less digits than its factorization.

2554512642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901598 (or 12901595 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 2554512642 is about 50542.1867552246. The cubic root of 2554512642 is about 1367.0026362460.

The spelling of 2554512642 in words is "two billion, five hundred fifty-four million, five hundred twelve thousand, six hundred forty-two".