381875040 has 96 divisors (see below), whose sum is σ = 1336577760. Its totient is φ = 101832192.

The previous prime is 381875023. The next prime is 381875071. The reversal of 381875040 is 40578183.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 381874986 and 381875004.

It is a congruent number.

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, 39879 + ... + 48518.

It is an arithmetic number, because the mean of its divisors is an integer number (13922685).

Almost surely, 2^381875040 is an apocalyptic number.

381875040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381875040 is an abundant number, since it is smaller than the sum of its proper divisors (954702720).

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

381875040 is a wasteful number, since it uses less digits than its factorization.

381875040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88421 (or 88407 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 381875040 is about 19541.6232693193. The cubic root of 381875040 is about 725.5050242654.

The spelling of 381875040 in words is "three hundred eighty-one million, eight hundred seventy-five thousand, forty".