1940693580 has 240 divisors, whose sum is σ = 7091219520. Its totient is φ = 435082752.

The previous prime is 1940693537. The next prime is 1940693617. The reversal of 1940693580 is 853960491.

It is a happy number.

1940693580 is a `hidden beast` number, since 1 + 9 + 4 + 0 + 69 + 3 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 599406 + ... + 602634.

It is an arithmetic number, because the mean of its divisors is an integer number (29546748).

Almost surely, 2^1940693580 is an apocalyptic number.

1940693580 is a gapful number since it is divisible by the number (10) 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 1940693580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3545609760).

1940693580 is an abundant number, since it is smaller than the sum of its proper divisors (5150525940).

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

1940693580 is a wasteful number, since it uses less digits than its factorization.

1940693580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310 (or 3299 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1940693580 is about 44053.3038488602. The cubic root of 1940693580 is about 1247.3423171154.

The spelling of 1940693580 in words is "one billion, nine hundred forty million, six hundred ninety-three thousand, five hundred eighty".