2580078732 has 144 divisors (see below), whose sum is σ = 7770349440. Its totient is φ = 658694400.

The previous prime is 2580078731. The next prime is 2580078773. The reversal of 2580078732 is 2378700852.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2580078731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378232 + ... + 384992.

It is an arithmetic number, because the mean of its divisors is an integer number (53960760).

Almost surely, 2^2580078732 is an apocalyptic number.

2580078732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2580078732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3885174720).

2580078732 is an abundant number, since it is smaller than the sum of its proper divisors (5190270708).

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

2580078732 is a wasteful number, since it uses less digits than its factorization.

2580078732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852 (or 6843 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 2580078732 is about 50794.4754082568. The cubic root of 2580078732 is about 1371.5479213034.

The spelling of 2580078732 in words is "two billion, five hundred eighty million, seventy-eight thousand, seven hundred thirty-two".