2845072169940 has 1152 divisors, whose sum is σ = 11063355964416. Its totient is φ = 531372441600.

The previous prime is 2845072169917. The next prime is 2845072169981. The reversal of 2845072169940 is 499612705482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 6757890930 + ... + 6757891350.

It is an arithmetic number, because the mean of its divisors is an integer number (9603607608).

Almost surely, 2^{2845072169940} is an apocalyptic number.

2845072169940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2845072169940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5531677982208).

2845072169940 is an abundant number, since it is smaller than the sum of its proper divisors (8218283794476).

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

2845072169940 is a wasteful number, since it uses less digits than its factorization.

2845072169940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 2845072169940 in words is "two trillion, eight hundred forty-five billion, seventy-two million, one hundred sixty-nine thousand, nine hundred forty".