2542289520 has 80 divisors (see below), whose sum is σ = 7980917760. Its totient is φ = 669357312.

The previous prime is 2542289461. The next prime is 2542289543. The reversal of 2542289520 is 259822452.

It is a tau number, because it is divible by the number of its divisors (80).

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, 48084 + ... + 86003.

It is an arithmetic number, because the mean of its divisors is an integer number (99761472).

Almost surely, 2^2542289520 is an apocalyptic number.

2542289520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542289520 is an abundant number, since it is smaller than the sum of its proper divisors (5438628240).

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

2542289520 is a wasteful number, since it uses less digits than its factorization.

2542289520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134182 (or 134176 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2542289520 is about 50421.1217645939. The cubic root of 2542289520 is about 1364.8188196241.

The spelling of 2542289520 in words is "two billion, five hundred forty-two million, two hundred eighty-nine thousand, five hundred twenty".