36381079890 has 24 divisors (see below), whose sum is σ = 94590807948. Its totient is φ = 9701621280.

The previous prime is 36381079879. The next prime is 36381079897. The reversal of 36381079890 is 9897018363.

36381079890 is a `hidden beast` number, since 363 + 8 + 107 + 98 + 90 = 666.

36381079890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36163487889 + 217592001 = 190167^2 + 14751^2 .

It is not an unprimeable number, because it can be changed into a prime (36381079897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202117021 + ... + 202117200.

Almost surely, 2^36381079890 is an apocalyptic number.

36381079890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

36381079890 is an abundant number, since it is smaller than the sum of its proper divisors (58209728058).

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

36381079890 is a wasteful number, since it uses less digits than its factorization.

36381079890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404234234 (or 404234231 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 36381079890 in words is "thirty-six billion, three hundred eighty-one million, seventy-nine thousand, eight hundred ninety".