2645370144 has 96 divisors (see below), whose sum is σ = 7724485440. Its totient is φ = 880782336.

The previous prime is 2645370109. The next prime is 2645370149. The reversal of 2645370144 is 4410735462.

2645370144 is a `hidden beast` number, since 2 + 645 + 3 + 7 + 0 + 1 + 4 + 4 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2645370099 and 2645370108.

It is not an unprimeable number, because it can be changed into a prime (2645370149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1487784 + ... + 1489560.

It is an arithmetic number, because the mean of its divisors is an integer number (80463390).

Almost surely, 2^2645370144 is an apocalyptic number.

2645370144 is a gapful number since it is divisible by the number (24) 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 2645370144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862242720).

2645370144 is an abundant number, since it is smaller than the sum of its proper divisors (5079115296).

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

2645370144 is a wasteful number, since it uses less digits than its factorization.

2645370144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519 (or 3505 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 2645370144 is about 51433.1619094140. The cubic root of 2645370144 is about 1383.0211317064.

The spelling of 2645370144 in words is "two billion, six hundred forty-five million, three hundred seventy thousand, one hundred forty-four".