38404237423181 has 8 divisors (see below), whose sum is σ = 44634464802240. Its totient is φ = 32359986980928.

The previous prime is 38404237423073. The next prime is 38404237423219. The reversal of 38404237423181 is 18132473240483.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38404237423181 - 2²² = 38404233228877 is a prime.

It is a super-2 number, since 2×38404237423181² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38404237443181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46494233756 + ... + 46494234581.

It is an arithmetic number, because the mean of its divisors is an integer number (5579308100280).

Almost surely, 2^{38404237423181} is an apocalyptic number.

It is an amenable number.

38404237423181 is a deficient number, since it is larger than the sum of its proper divisors (6230227379059).

38404237423181 is an equidigital number, since it uses as much as digits as its factorization.

38404237423181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92988468403.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 38404237423181 in words is "thirty-eight trillion, four hundred four billion, two hundred thirty-seven million, four hundred twenty-three thousand, one hundred eighty-one".