2045304221240 has 64 divisors (see below), whose sum is σ = 5260204152000. Its totient is φ = 701133769728.

The previous prime is 2045304221111. The next prime is 2045304221263. The reversal of 2045304221240 is 421224035402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153286 + ... + 2328234.

It is an arithmetic number, because the mean of its divisors is an integer number (82190689875).

Almost surely, 2^{2045304221240} is an apocalyptic number.

2045304221240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045304221240 is an abundant number, since it is smaller than the sum of its proper divisors (3214899930760).

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

2045304221240 is a wasteful number, since it uses less digits than its factorization.

2045304221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181184 (or 1181180 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 2045304221240 its reverse (421224035402), we get a palindrome (2466528256642).

The spelling of 2045304221240 in words is "two trillion, forty-five billion, three hundred four million, two hundred twenty-one thousand, two hundred forty".