1901462868 has 36 divisors (see below), whose sum is σ = 4808495328. Its totient is φ = 633554640.

The previous prime is 1901462837. The next prime is 1901462887. The reversal of 1901462868 is 8682641091.

1901462868 is a `hidden beast` number, since 1 + 9 + 0 + 14 + 628 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1901462868² = 7231122076765570848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87855 + ... + 107337.

Almost surely, 2^1901462868 is an apocalyptic number.

1901462868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1901462868 is an abundant number, since it is smaller than the sum of its proper divisors (2907032460).

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

1901462868 is a wasteful number, since it uses less digits than its factorization.

1901462868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22204 (or 22199 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1901462868 is about 43605.7664535323. The cubic root of 1901462868 is about 1238.8801170681.

The spelling of 1901462868 in words is "one billion, nine hundred one million, four hundred sixty-two thousand, eight hundred sixty-eight".