1900740868 has 24 divisors (see below), whose sum is σ = 3665475968. Its totient is φ = 856862496.

The previous prime is 1900740847. The next prime is 1900740883. The reversal of 1900740868 is 8680470091.

It is a super-2 number, since 2×1900740868² = 7225631694570786848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422796 + ... + 427267.

Almost surely, 2^1900740868 is an apocalyptic number.

It is an amenable number.

1900740868 is a deficient number, since it is larger than the sum of its proper divisors (1764735100).

1900740868 is a wasteful number, since it uses less digits than its factorization.

1900740868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850123 (or 850121 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1900740868 is about 43597.4869459238. The cubic root of 1900740868 is about 1238.7232931308.

The spelling of 1900740868 in words is "one billion, nine hundred million, seven hundred forty thousand, eight hundred sixty-eight".