38117063540 has 24 divisors (see below), whose sum is σ = 80076003840. Its totient is φ = 15241078688.

The previous prime is 38117063539. The next prime is 38117063597. The reversal of 38117063540 is 4536071183.

It is a junction number, because it is equal to n+sod(n) for n = 38117063494 and 38117063503.

It is a congruent number.

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, 304580 + ... + 411099.

It is an arithmetic number, because the mean of its divisors is an integer number (3336500160).

Almost surely, 2^38117063540 is an apocalyptic number.

It is an amenable number.

38117063540 is an abundant number, since it is smaller than the sum of its proper divisors (41958940300).

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

38117063540 is a wasteful number, since it uses less digits than its factorization.

38117063540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718351 (or 718349 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 38117063540 in words is "thirty-eight billion, one hundred seventeen million, sixty-three thousand, five hundred forty".