9404018901 has 48 divisors (see below), whose sum is σ = 14588286336. Its totient is φ = 5822264448.

The previous prime is 9404018881. The next prime is 9404018903. The reversal of 9404018901 is 1098104049.

It is not a de Polignac number, because 9404018901 - 2²² = 9399824597 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9404018903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4693966 + ... + 4695968.

It is an arithmetic number, because the mean of its divisors is an integer number (303922632).

Almost surely, 2^9404018901 is an apocalyptic number.

It is an amenable number.

9404018901 is a deficient number, since it is larger than the sum of its proper divisors (5184267435).

9404018901 is a wasteful number, since it uses less digits than its factorization.

9404018901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 9404018901 is about 96974.3208328885. The cubic root of 9404018901 is about 2110.7550213837.

The spelling of 9404018901 in words is "nine billion, four hundred four million, eighteen thousand, nine hundred one".