2125947480 has 96 divisors (see below), whose sum is σ = 6555381840. Its totient is φ = 551554560.

The previous prime is 2125947479. The next prime is 2125947493. The reversal of 2125947480 is 847495212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157810 + ... + 170750.

Almost surely, 2^2125947480 is an apocalyptic number.

2125947480 is a gapful number since it is divisible by the number (20) 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 2125947480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3277690920).

2125947480 is an abundant number, since it is smaller than the sum of its proper divisors (4429434360).

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

2125947480 is a wasteful number, since it uses less digits than its factorization.

2125947480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13029 (or 12988 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2125947480 is about 46107.9980046846. The cubic root of 2125947480 is about 1285.8318444183.

The spelling of 2125947480 in words is "two billion, one hundred twenty-five million, nine hundred forty-seven thousand, four hundred eighty".