1942874900 has 18 divisors (see below), whose sum is σ = 4216038750. Its totient is φ = 777149920.

The previous prime is 1942874881. The next prime is 1942874917. The reversal of 1942874900 is 94782491.

It can be written as a sum of positive squares in 3 ways, for example, as 13557124 + 1929317776 = 3682^2 + 43924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9714275 + ... + 9714474.

It is an arithmetic number, because the mean of its divisors is an integer number (234224375).

Almost surely, 2^1942874900 is an apocalyptic number.

1942874900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942874900 is an abundant number, since it is smaller than the sum of its proper divisors (2273163850).

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

1942874900 is a wasteful number, since it uses less digits than its factorization.

1942874900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19428763 (or 19428756 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1942874900 is about 44078.0546303940. The cubic root of 1942874900 is about 1247.8094755244.

The spelling of 1942874900 in words is "one billion, nine hundred forty-two million, eight hundred seventy-four thousand, nine hundred".