2045312762850 has 672 divisors, whose sum is σ = 6927615175680. Its totient is φ = 438644315520.

The previous prime is 2045312762821. The next prime is 2045312762851. The reversal of 2045312762850 is 582672135402.

2045312762850 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 3 + 12 + 7 + 628 + 5 + 0 = 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 = 2045312762796 and 2045312762805.

It is not an unprimeable number, because it can be changed into a prime (2045312762851) by changing a digit.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 518717979 + ... + 518721921.

Almost surely, 2^{2045312762850} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045312762850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3463807587840).

2045312762850 is an abundant number, since it is smaller than the sum of its proper divisors (4882302412830).

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

2045312762850 is a wasteful number, since it uses less digits than its factorization.

2045312762850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 2045312762850 in words is "two trillion, forty-five billion, three hundred twelve million, seven hundred sixty-two thousand, eight hundred fifty".