2074394640 has 160 divisors (see below), whose sum is σ = 6690286080. Its totient is φ = 531228672.

The previous prime is 2074394627. The next prime is 2074394683. The reversal of 2074394640 is 464934702.

It is a super-2 number, since 2×2074394640² = 8606226244921459200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 700042 + ... + 702998.

It is an arithmetic number, because the mean of its divisors is an integer number (41814288).

Almost surely, 2^2074394640 is an apocalyptic number.

2074394640 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 2074394640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3345143040).

2074394640 is an abundant number, since it is smaller than the sum of its proper divisors (4615891440).

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

2074394640 is a wasteful number, since it uses less digits than its factorization.

2074394640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 2074394640 is about 45545.5227217780. The cubic root of 2074394640 is about 1275.3531539993.

The spelling of 2074394640 in words is "two billion, seventy-four million, three hundred ninety-four thousand, six hundred forty".