38378191458 has 16 divisors (see below), whose sum is σ = 81271464480. Its totient is φ = 12040216896.

The previous prime is 38378191457. The next prime is 38378191459. The reversal of 38378191458 is 85419187383.

It is a happy number.

38378191458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38378191457) and next prime (38378191459).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38378191398 and 38378191407.

It is not an unprimeable number, because it can be changed into a prime (38378191457) 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, 188128288 + ... + 188128491.

It is an arithmetic number, because the mean of its divisors is an integer number (5079466530).

Almost surely, 2^38378191458 is an apocalyptic number.

38378191458 is an abundant number, since it is smaller than the sum of its proper divisors (42893273022).

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

38378191458 is a wasteful number, since it uses less digits than its factorization.

38378191458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376256801.

The product of its digits is 5806080, while the sum is 57.

The spelling of 38378191458 in words is "thirty-eight billion, three hundred seventy-eight million, one hundred ninety-one thousand, four hundred fifty-eight".