2545390036 has 96 divisors (see below), whose sum is σ = 5578997760. Its totient is φ = 992217600.

The previous prime is 2545390027. The next prime is 2545390069. The reversal of 2545390036 is 6300935452.

It is a junction number, because it is equal to n+sod(n) for n = 2545389977 and 2545390004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1176796 + ... + 1178956.

It is an arithmetic number, because the mean of its divisors is an integer number (58114560).

Almost surely, 2^2545390036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545390036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789498880).

2545390036 is an abundant number, since it is smaller than the sum of its proper divisors (3033607724).

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

2545390036 is a wasteful number, since it uses less digits than its factorization.

2545390036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 2545390036 is about 50451.8585980735. The cubic root of 2545390036 is about 1365.3734277766.

The spelling of 2545390036 in words is "two billion, five hundred forty-five million, three hundred ninety thousand, thirty-six".