2790725840 has 40 divisors (see below), whose sum is σ = 7415358720. Its totient is φ = 956820096.

The previous prime is 2790725809. The next prime is 2790725869. The reversal of 2790725840 is 485270972.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2790725791 and 2790725800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491160 + ... + 2492279.

It is an arithmetic number, because the mean of its divisors is an integer number (185383968).

Almost surely, 2^2790725840 is an apocalyptic number.

2790725840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2790725840 is an abundant number, since it is smaller than the sum of its proper divisors (4624632880).

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

2790725840 is a wasteful number, since it uses less digits than its factorization.

2790725840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983459 (or 4983453 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2790725840 is about 52827.3209617902. The cubic root of 2790725840 is about 1407.9018876409.

The spelling of 2790725840 in words is "two billion, seven hundred ninety million, seven hundred twenty-five thousand, eight hundred forty".