1001868402672 has 50 divisors (see below), whose sum is σ = 2899697826608. Its totient is φ = 333956133792.

The previous prime is 1001868402617. The next prime is 1001868402673. The reversal of 1001868402672 is 2762048681001.

1001868402672 is a `hidden beast` number, since 1 + 0 + 0 + 186 + 8 + 402 + 67 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001868402673) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 386522008 + ... + 386524599.

Almost surely, 2^{1001868402672} is an apocalyptic number.

1001868402672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001868402672 is an abundant number, since it is smaller than the sum of its proper divisors (1897829423936).

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

1001868402672 is an equidigital number, since it uses as much as digits as its factorization.

1001868402672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773046627 (or 773046612 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 1001868402672 in words is "one trillion, one billion, eight hundred sixty-eight million, four hundred two thousand, six hundred seventy-two".