1940427342 has 36 divisors (see below), whose sum is σ = 4890671136. Its totient is φ = 554407560.

The previous prime is 1940427337. The next prime is 1940427397. The reversal of 1940427342 is 2437240491.

1940427342 is a `hidden beast` number, since 194 + 0 + 427 + 3 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1940427297 and 1940427306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1099134 + ... + 1100897.

It is an arithmetic number, because the mean of its divisors is an integer number (135851976).

Almost surely, 2^1940427342 is an apocalyptic number.

1940427342 is an abundant number, since it is smaller than the sum of its proper divisors (2950243794).

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

1940427342 is a wasteful number, since it uses less digits than its factorization.

1940427342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200053 (or 2200043 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1940427342 is about 44050.2819741259. The cubic root of 1940427342 is about 1247.2852747750.

The spelling of 1940427342 in words is "one billion, nine hundred forty million, four hundred twenty-seven thousand, three hundred forty-two".