2542061660 has 48 divisors (see below), whose sum is σ = 5575348800. Its totient is φ = 971756544.

The previous prime is 2542061651. The next prime is 2542061677. The reversal of 2542061660 is 661602452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821396 + ... + 824484.

It is an arithmetic number, because the mean of its divisors is an integer number (116153100).

Almost surely, 2^2542061660 is an apocalyptic number.

2542061660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542061660 is an abundant number, since it is smaller than the sum of its proper divisors (3033287140).

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

2542061660 is a wasteful number, since it uses less digits than its factorization.

2542061660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910 (or 4908 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2542061660 is about 50418.8621450346. The cubic root of 2542061660 is about 1364.7780431369.

The spelling of 2542061660 in words is "two billion, five hundred forty-two million, sixty-one thousand, six hundred sixty".