2145007260 has 72 divisors (see below), whose sum is σ = 7098030576. Its totient is φ = 520001280.

The previous prime is 2145007259. The next prime is 2145007297. The reversal of 2145007260 is 627005412.

It is a super-2 number, since 2×2145007260² = 9202112290905415200, which contains 22 as substring.

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, 539689 + ... + 543648.

It is an arithmetic number, because the mean of its divisors is an integer number (98583758).

Almost surely, 2^2145007260 is an apocalyptic number.

2145007260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145007260 is an abundant number, since it is smaller than the sum of its proper divisors (4953023316).

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

2145007260 is a wasteful number, since it uses less digits than its factorization.

2145007260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083363 (or 1083358 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2145007260 is about 46314.2230853547. The cubic root of 2145007260 is about 1289.6630452185.

The spelling of 2145007260 in words is "two billion, one hundred forty-five million, seven thousand, two hundred sixty".