201043402994 has 64 divisors (see below), whose sum is σ = 357073339392. Its totient is φ = 83104358400.

The previous prime is 201043402979. The next prime is 201043402999. The reversal of 201043402994 is 499204340102.

It is not an unprimeable number, because it can be changed into a prime (201043402999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88137134 + ... + 88139414.

It is an arithmetic number, because the mean of its divisors is an integer number (5579270928).

Almost surely, 2^201043402994 is an apocalyptic number.

201043402994 is a deficient number, since it is larger than the sum of its proper divisors (156029936398).

201043402994 is a wasteful number, since it uses less digits than its factorization.

201043402994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 201043402994 in words is "two hundred one billion, forty-three million, four hundred two thousand, nine hundred ninety-four".