201436638038104 has 48 divisors (see below), whose sum is σ = 439367804086680. Its totient is φ = 86328056062080.

The previous prime is 201436638038087. The next prime is 201436638038113. The reversal of 201436638038104 is 401830836634102.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11861284 + ... + 23314444.

Almost surely, 2^{201436638038104} is an apocalyptic number.

It is an amenable number.

201436638038104 is an abundant number, since it is smaller than the sum of its proper divisors (237931166048576).

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

201436638038104 is a wasteful number, since it uses less digits than its factorization.

201436638038104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11498048 (or 11498037 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 201436638038104 in words is "two hundred one trillion, four hundred thirty-six billion, six hundred thirty-eight million, thirty-eight thousand, one hundred four".