38678403553548 has 96 divisors (see below), whose sum is σ = 103581261278208. Its totient is φ = 11125806681600.

The previous prime is 38678403553481. The next prime is 38678403553549. The reversal of 38678403553548 is 84535530487683.

It is a super-2 number, since 2×38678403553548² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38678403553549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96377940 + ... + 96778427.

It is an arithmetic number, because the mean of its divisors is an integer number (1078971471648).

Almost surely, 2^{38678403553548} is an apocalyptic number.

It is an amenable number.

38678403553548 is an abundant number, since it is smaller than the sum of its proper divisors (64902857724660).

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

38678403553548 is a wasteful number, since it uses less digits than its factorization.

38678403553548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193156463 (or 193156461 counting only the distinct ones).

The product of its (nonzero) digits is 1161216000, while the sum is 69.

The spelling of 38678403553548 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, five hundred fifty-three thousand, five hundred forty-eight".