2645398350 has 72 divisors (see below), whose sum is σ = 8122642320. Its totient is φ = 604661760.

The previous prime is 2645398321. The next prime is 2645398369. The reversal of 2645398350 is 538935462.

2645398350 is a `hidden beast` number, since 2 + 64 + 539 + 8 + 3 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2645398296 and 2645398305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 416755 + ... + 423054.

Almost surely, 2^2645398350 is an apocalyptic number.

2645398350 is an abundant number, since it is smaller than the sum of its proper divisors (5477243970).

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

2645398350 is a wasteful number, since it uses less digits than its factorization.

2645398350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839834 (or 839826 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 2645398350 is about 51433.4361092082. The cubic root of 2645398350 is about 1383.0260471314.

The spelling of 2645398350 in words is "two billion, six hundred forty-five million, three hundred ninety-eight thousand, three hundred fifty".