38503345740 has 24 divisors (see below), whose sum is σ = 107809368240. Its totient is φ = 10267558848.

The previous prime is 38503345723. The next prime is 38503345759. The reversal of 38503345740 is 4754330583.

It is a super-2 number, since 2×38503345740² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38503345692 and 38503345701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320861155 + ... + 320861274.

It is an arithmetic number, because the mean of its divisors is an integer number (4492057010).

Almost surely, 2^38503345740 is an apocalyptic number.

38503345740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38503345740 is an abundant number, since it is smaller than the sum of its proper divisors (69306022500).

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

38503345740 is a wasteful number, since it uses less digits than its factorization.

38503345740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641722441 (or 641722439 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 38503345740 in words is "thirty-eight billion, five hundred three million, three hundred forty-five thousand, seven hundred forty".