38435229618 has 16 divisors (see below), whose sum is σ = 80916273120. Its totient is φ = 12137440896.

The previous prime is 38435229617. The next prime is 38435229631. The reversal of 38435229618 is 81692253483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38435229617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168575455 + ... + 168575682.

It is an arithmetic number, because the mean of its divisors is an integer number (5057267070).

Almost surely, 2^38435229618 is an apocalyptic number.

38435229618 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38435229618 is an abundant number, since it is smaller than the sum of its proper divisors (42481043502).

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

38435229618 is a wasteful number, since it uses less digits than its factorization.

38435229618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337151161.

The product of its digits is 2488320, while the sum is 51.

The spelling of 38435229618 in words is "thirty-eight billion, four hundred thirty-five million, two hundred twenty-nine thousand, six hundred eighteen".