38857481425 has 36 divisors (see below), whose sum is σ = 56295100380. Its totient is φ = 26528584320.

The previous prime is 38857481423. The next prime is 38857481447. The reversal of 38857481425 is 52418475883.

It can be written as a sum of positive squares in 6 ways, for example, as 23261329 + 38834220096 = 4823^2 + 197064^2 .

It is not a de Polignac number, because 38857481425 - 2¹ = 38857481423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38857481423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 211267 + ... + 349783.

Almost surely, 2^38857481425 is an apocalyptic number.

38857481425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38857481425 is a deficient number, since it is larger than the sum of its proper divisors (17437618955).

38857481425 is a wasteful number, since it uses less digits than its factorization.

38857481425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138770 (or 138758 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 55.

The spelling of 38857481425 in words is "thirty-eight billion, eight hundred fifty-seven million, four hundred eighty-one thousand, four hundred twenty-five".