33404040037 has 8 divisors (see below), whose sum is σ = 33540275160. Its totient is φ = 33268078080.

The previous prime is 33404040031. The next prime is 33404040073. The reversal of 33404040037 is 73004040433.

It can be written as a sum of positive squares in 4 ways, for example, as 99980001 + 33304060036 = 9999^2 + 182494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33404040037 - 2⁷ = 33404039909 is a prime.

It is a super-2 number, since 2×33404040037² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33404039987 and 33404040014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33404040031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178587 + ... + 314167.

It is an arithmetic number, because the mean of its divisors is an integer number (4192534395).

Almost surely, 2^33404040037 is an apocalyptic number.

It is an amenable number.

33404040037 is a deficient number, since it is larger than the sum of its proper divisors (136235123).

33404040037 is a wasteful number, since it uses less digits than its factorization.

33404040037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136583.

The product of its (nonzero) digits is 12096, while the sum is 28.

The spelling of 33404040037 in words is "thirty-three billion, four hundred four million, forty thousand, thirty-seven".