1940251432 has 24 divisors (see below), whose sum is σ = 4231926810. Its totient is φ = 831536160.

The previous prime is 1940251427. The next prime is 1940251433. The reversal of 1940251432 is 2341520491.

It can be written as a sum of positive squares in only one way, i.e., 1681492036 + 258759396 = 41006^2 + 16086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1940251394 and 1940251403.

It is not an unprimeable number, because it can be changed into a prime (1940251433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2474419 + ... + 2475202.

Almost surely, 2^1940251432 is an apocalyptic number.

It is an amenable number.

1940251432 is an abundant number, since it is smaller than the sum of its proper divisors (2291675378).

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

1940251432 is a wasteful number, since it uses less digits than its factorization.

1940251432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949641 (or 4949630 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1940251432 is about 44048.2852333663. The cubic root of 1940251432 is about 1247.2475826340.

The spelling of 1940251432 in words is "one billion, nine hundred forty million, two hundred fifty-one thousand, four hundred thirty-two".