2645408346 has 32 divisors (see below), whose sum is σ = 6049881600. Its totient is φ = 755426736.

The previous prime is 2645408329. The next prime is 2645408357. The reversal of 2645408346 is 6438045462.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2645408298 and 2645408307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67605 + ... + 99303.

It is an arithmetic number, because the mean of its divisors is an integer number (189058800).

Almost surely, 2^2645408346 is an apocalyptic number.

2645408346 is an abundant number, since it is smaller than the sum of its proper divisors (3404473254).

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

2645408346 is a wasteful number, since it uses less digits than its factorization.

2645408346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33698.

The product of its (nonzero) digits is 552960, while the sum is 42.

The square root of 2645408346 is about 51433.5332832579. The cubic root of 2645408346 is about 1383.0277891136.

The spelling of 2645408346 in words is "two billion, six hundred forty-five million, four hundred eight thousand, three hundred forty-six".