1940297316 has 96 divisors (see below), whose sum is σ = 4966241280. Its totient is φ = 587865600.

The previous prime is 1940297291. The next prime is 1940297321. The reversal of 1940297316 is 6137920491.

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, 396726 + ... + 401586.

It is an arithmetic number, because the mean of its divisors is an integer number (51731680).

Almost surely, 2^1940297316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940297316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2483120640).

1940297316 is an abundant number, since it is smaller than the sum of its proper divisors (3025943964).

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

1940297316 is a wasteful number, since it uses less digits than its factorization.

1940297316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965 (or 4963 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1940297316 is about 44048.8060678153. The cubic root of 1940297316 is about 1247.2574143936.

The spelling of 1940297316 in words is "one billion, nine hundred forty million, two hundred ninety-seven thousand, three hundred sixteen".