1925371680 has 96 divisors (see below), whose sum is σ = 6096964608. Its totient is φ = 510720000.

The previous prime is 1925371663. The next prime is 1925371691. The reversal of 1925371680 is 861735291.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1925371680² = 7414112212292044800, which contains 22 as substring.

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, 81180 + ... + 102180.

It is an arithmetic number, because the mean of its divisors is an integer number (63510048).

Almost surely, 2^1925371680 is an apocalyptic number.

1925371680 is a gapful number since it is divisible by the number (10) 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 1925371680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048482304).

1925371680 is an abundant number, since it is smaller than the sum of its proper divisors (4171592928).

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

1925371680 is a wasteful number, since it uses less digits than its factorization.

1925371680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210 (or 21202 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1925371680 is about 43879.0574192291. The cubic root of 1925371680 is about 1244.0510243991.

The spelling of 1925371680 in words is "one billion, nine hundred twenty-five million, three hundred seventy-one thousand, six hundred eighty".