1999268292 has 48 divisors (see below), whose sum is σ = 5367196800. Its totient is φ = 567382272.

The previous prime is 1999268287. The next prime is 1999268309. The reversal of 1999268292 is 2928629991.

1999268292 is a modest number, since divided by 68292 gives 19992 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67353 + ... + 92384.

It is an arithmetic number, because the mean of its divisors is an integer number (111816600).

Almost surely, 2^1999268292 is an apocalyptic number.

1999268292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1999268292 is an abundant number, since it is smaller than the sum of its proper divisors (3367928508).

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

1999268292 is a wasteful number, since it uses less digits than its factorization.

1999268292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159900 (or 159898 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 57.

The square root of 1999268292 is about 44713.1780574810. The cubic root of 1999268292 is about 1259.7673821014.

The spelling of 1999268292 in words is "one billion, nine hundred ninety-nine million, two hundred sixty-eight thousand, two hundred ninety-two".