408750000381 has 64 divisors (see below), whose sum is σ = 641609879040. Its totient is φ = 259867948032.

The previous prime is 408750000361. The next prime is 408750000397. The reversal of 408750000381 is 183000057804.

408750000381 is a `hidden beast` number, since 40 + 87 + 500 + 0 + 0 + 38 + 1 = 666.

It is not a de Polignac number, because 408750000381 - 2⁵ = 408750000349 is a prime.

It is a super-3 number, since 3×408750000381³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408750000341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16939381 + ... + 16963493.

It is an arithmetic number, because the mean of its divisors is an integer number (10025154360).

Almost surely, 2^408750000381 is an apocalyptic number.

It is an amenable number.

408750000381 is a deficient number, since it is larger than the sum of its proper divisors (232859878659).

408750000381 is an equidigital number, since it uses as much as digits as its factorization.

408750000381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24494 (or 24476 counting only the distinct ones).

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

The spelling of 408750000381 in words is "four hundred eight billion, seven hundred fifty million, three hundred eighty-one", and thus it is an aban number.