38401960986 has 48 divisors (see below), whose sum is σ = 83434969800. Its totient is φ = 12765216384.

The previous prime is 38401960981. The next prime is 38401960991. The reversal of 38401960986 is 68906910483.

It is an interprime number because it is at equal distance from previous prime (38401960981) and next prime (38401960991).

It can be written as a sum of positive squares in 4 ways, for example, as 30689784225 + 7712176761 = 175185^2 + 87819^2 .

It is not an unprimeable number, because it can be changed into a prime (38401960981) 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 23 ways as a sum of consecutive naturals, for example, 11891220 + ... + 11894448.

Almost surely, 2^38401960986 is an apocalyptic number.

38401960986 is an abundant number, since it is smaller than the sum of its proper divisors (45033008814).

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

38401960986 is a wasteful number, since it uses less digits than its factorization.

38401960986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863 (or 4860 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 38401960986 in words is "thirty-eight billion, four hundred one million, nine hundred sixty thousand, nine hundred eighty-six".