38145068334840 has 64 divisors (see below), whose sum is σ = 118381246567200. Its totient is φ = 9821258972672.

The previous prime is 38145068334829. The next prime is 38145068334851. The reversal of 38145068334840 is 4843386054183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38145068334829) and next prime (38145068334851).

It is a super-2 number, since 2×38145068334840² (a number of 28 digits) contains 22 as substring.

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, 5480609787 + ... + 5480616746.

Almost surely, 2^{38145068334840} is an apocalyptic number.

38145068334840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38145068334840 is an abundant number, since it is smaller than the sum of its proper divisors (80236178232360).

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

38145068334840 is a wasteful number, since it uses less digits than its factorization.

38145068334840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961226576 (or 10961226572 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 57.

The spelling of 38145068334840 in words is "thirty-eight trillion, one hundred forty-five billion, sixty-eight million, three hundred thirty-four thousand, eight hundred forty".