38455157857548 has 48 divisors (see below), whose sum is σ = 90591398411360. Its totient is φ = 12695246152704.

The previous prime is 38455157857531. The next prime is 38455157857549. The reversal of 38455157857548 is 84575875155483.

It is a self number, because there is not a number n which added to its sum of digits gives 38455157857548.

It is not an unprimeable number, because it can be changed into a prime (38455157857549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3411565 + ... + 9410052.

Almost surely, 2^{38455157857548} is an apocalyptic number.

It is an amenable number.

38455157857548 is an abundant number, since it is smaller than the sum of its proper divisors (52136240553812).

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

38455157857548 is a wasteful number, since it uses less digits than its factorization.

38455157857548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824026 (or 12824024 counting only the distinct ones).

The product of its digits is 3763200000, while the sum is 75.

The spelling of 38455157857548 in words is "thirty-eight trillion, four hundred fifty-five billion, one hundred fifty-seven million, eight hundred fifty-seven thousand, five hundred forty-eight".