1940272408 has 16 divisors (see below), whose sum is σ = 3681843480. Its totient is φ = 958447488.

The previous prime is 1940272403. The next prime is 1940272447. The reversal of 1940272408 is 8042720491.

It is a super-2 number, since 2×1940272408² = 7529314034492236928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940272403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460385 + ... + 1461712.

Almost surely, 2^1940272408 is an apocalyptic number.

It is an amenable number.

1940272408 is a deficient number, since it is larger than the sum of its proper divisors (1741571072).

1940272408 is a wasteful number, since it uses less digits than its factorization.

1940272408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922186 (or 2922182 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1940272408 is about 44048.5233350677. The cubic root of 1940272408 is about 1247.2520772698.

Adding to 1940272408 its reverse (8042720491), we get a palindrome (9982992899).

The spelling of 1940272408 in words is "one billion, nine hundred forty million, two hundred seventy-two thousand, four hundred eight".