1925180790 has 64 divisors (see below), whose sum is σ = 5001829056. Its totient is φ = 471416832.

The previous prime is 1925180779. The next prime is 1925180791. The reversal of 1925180790 is 970815291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925180791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62482 + ... + 88058.

It is an arithmetic number, because the mean of its divisors is an integer number (78153579).

Almost surely, 2^1925180790 is an apocalyptic number.

1925180790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1925180790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2500914528).

1925180790 is an abundant number, since it is smaller than the sum of its proper divisors (3076648266).

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

1925180790 is a wasteful number, since it uses less digits than its factorization.

1925180790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25793.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 1925180790 is about 43876.8821818506. The cubic root of 1925180790 is about 1244.0099094374.

The spelling of 1925180790 in words is "one billion, nine hundred twenty-five million, one hundred eighty thousand, seven hundred ninety".