2645454266290 has 32 divisors (see below), whose sum is σ = 5194781216640. Its totient is φ = 961970217600.

The previous prime is 2645454266209. The next prime is 2645454266291. The reversal of 2645454266290 is 926624545462.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (2645454266291) 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, 11971926 + ... + 12190894.

It is an arithmetic number, because the mean of its divisors is an integer number (162336913020).

Almost surely, 2^{2645454266290} is an apocalyptic number.

2645454266290 is a deficient number, since it is larger than the sum of its proper divisors (2549326950350).

2645454266290 is a wasteful number, since it uses less digits than its factorization.

2645454266290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328818.

The product of its (nonzero) digits is 24883200, while the sum is 55.

The spelling of 2645454266290 in words is "two trillion, six hundred forty-five billion, four hundred fifty-four million, two hundred sixty-six thousand, two hundred ninety".