381444677700 has 36 divisors (see below), whose sum is σ = 1103646601680. Its totient is φ = 101718580640.

The previous prime is 381444677699. The next prime is 381444677701. The reversal of 381444677700 is 7776444183.

It is an interprime number because it is at equal distance from previous prime (381444677699) and next prime (381444677701).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (381444677701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635740830 + ... + 635741429.

Almost surely, 2^381444677700 is an apocalyptic number.

381444677700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381444677700 is an abundant number, since it is smaller than the sum of its proper divisors (722201923980).

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

381444677700 is a wasteful number, since it uses less digits than its factorization.

381444677700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271482276 (or 1271482269 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 381444677700 in words is "three hundred eighty-one billion, four hundred forty-four million, six hundred seventy-seven thousand, seven hundred".