38811400849 has 16 divisors (see below), whose sum is σ = 42141443344. Its totient is φ = 35531654400.

The previous prime is 38811400847. The next prime is 38811400861. The reversal of 38811400849 is 94800411883.

It can be written as a sum of positive squares in 8 ways, for example, as 1153281600 + 37658119249 = 33960^2 + 194057^2 .

It is a cyclic number.

It is not a de Polignac number, because 38811400849 - 2¹ = 38811400847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38811400799 and 38811400808.

It is not an unprimeable number, because it can be changed into a prime (38811400847) 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 15 ways as a sum of consecutive naturals, for example, 855559 + ... + 899779.

It is an arithmetic number, because the mean of its divisors is an integer number (2633840209).

Almost surely, 2^38811400849 is an apocalyptic number.

It is an amenable number.

38811400849 is a deficient number, since it is larger than the sum of its proper divisors (3330042495).

38811400849 is a wasteful number, since it uses less digits than its factorization.

38811400849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44788.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 38811400849 in words is "thirty-eight billion, eight hundred eleven million, four hundred thousand, eight hundred forty-nine".