2645370000 has 1200 divisors, whose sum is σ = 12690437760. Its totient is φ = 497664000.

The previous prime is 2645369971. The next prime is 2645370011. The reversal of 2645370000 is 735462.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1200).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 139229991 + ... + 139230009.

Almost surely, 2^2645370000 is an apocalyptic number.

2645370000 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 2645370000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6345218880).

2645370000 is an abundant number, since it is smaller than the sum of its proper divisors (10045067760).

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

2645370000 is a wasteful number, since it uses less digits than its factorization.

2645370000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2645370000 is about 51433.1605095390. The cubic root of 2645370000 is about 1383.0211066116.

The spelling of 2645370000 in words is "two billion, six hundred forty-five million, three hundred seventy thousand".