38899000455 has 32 divisors (see below), whose sum is σ = 71140114944. Its totient is φ = 17779771776.

The previous prime is 38899000451. The next prime is 38899000471. The reversal of 38899000455 is 55400099883.

It is a happy number.

It is not a de Polignac number, because 38899000455 - 2² = 38899000451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38899000398 and 38899000407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38899000451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806809 + ... + 853661.

It is an arithmetic number, because the mean of its divisors is an integer number (2223128592).

Almost surely, 2^38899000455 is an apocalyptic number.

38899000455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38899000455 is a deficient number, since it is larger than the sum of its proper divisors (32241114489).

38899000455 is a wasteful number, since it uses less digits than its factorization.

38899000455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54775.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 38899000455 in words is "thirty-eight billion, eight hundred ninety-nine million, four hundred fifty-five", and thus it is an aban number.