40033333404 has 36 divisors (see below), whose sum is σ = 104943349784. Its totient is φ = 13344444144.

The previous prime is 40033333391. The next prime is 40033333409. The reversal of 40033333404 is 40433333004.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40033333409) 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, 20592307 + ... + 20594250.

Almost surely, 2^40033333404 is an apocalyptic number.

It is an amenable number.

40033333404 is an abundant number, since it is smaller than the sum of its proper divisors (64910016380).

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

40033333404 is a wasteful number, since it uses less digits than its factorization.

40033333404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41186576 (or 41186562 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 40033333404 its reverse (40433333004), we get a palindrome (80466666408).

The spelling of 40033333404 in words is "forty billion, thirty-three million, three hundred thirty-three thousand, four hundred four".