2056343780 has 48 divisors (see below), whose sum is σ = 4549944000. Its totient is φ = 778502016.

The previous prime is 2056343759. The next prime is 2056343797. The reversal of 2056343780 is 873436502.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 552566 + ... + 556274.

It is an arithmetic number, because the mean of its divisors is an integer number (94790500).

Almost surely, 2^2056343780 is an apocalyptic number.

2056343780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056343780 is an abundant number, since it is smaller than the sum of its proper divisors (2493600220).

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

2056343780 is a wasteful number, since it uses less digits than its factorization.

2056343780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196 (or 5194 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2056343780 is about 45346.9269080056. The cubic root of 2056343780 is about 1271.6431044198.

The spelling of 2056343780 in words is "two billion, fifty-six million, three hundred forty-three thousand, seven hundred eighty".