2580377042 has 16 divisors (see below), whose sum is σ = 4099284960. Its totient is φ = 1214782272.

The previous prime is 2580377021. The next prime is 2580377047. The reversal of 2580377042 is 2407730852.

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

It is a junction number, because it is equal to n+sod(n) for n = 2580376987 and 2580377005.

It is not an unprimeable number, because it can be changed into a prime (2580377047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202103 + ... + 214490.

It is an arithmetic number, because the mean of its divisors is an integer number (256205310).

Almost surely, 2^2580377042 is an apocalyptic number.

2580377042 is a deficient number, since it is larger than the sum of its proper divisors (1518907918).

2580377042 is a wasteful number, since it uses less digits than its factorization.

2580377042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416777.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2580377042 is about 50797.4117647740. The cubic root of 2580377042 is about 1371.6007789530.

The spelling of 2580377042 in words is "two billion, five hundred eighty million, three hundred seventy-seven thousand, forty-two".