33512142404 has 12 divisors (see below), whose sum is σ = 63157499244. Its totient is φ = 15467142624.

The previous prime is 33512142379. The next prime is 33512142409. The reversal of 33512142404 is 40424121533.

It can be written as a sum of positive squares in 2 ways, for example, as 3652993600 + 29859148804 = 60440^2 + 172798^2 .

It is a super-2 number, since 2×33512142404² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33512142409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322232087 + ... + 322232190.

It is an arithmetic number, because the mean of its divisors is an integer number (5263124937).

Almost surely, 2^33512142404 is an apocalyptic number.

It is an amenable number.

33512142404 is a deficient number, since it is larger than the sum of its proper divisors (29645356840).

33512142404 is a wasteful number, since it uses less digits than its factorization.

33512142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644464294 (or 644464292 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 33512142404 its reverse (40424121533), we get a palindrome (73936263937).

The spelling of 33512142404 in words is "thirty-three billion, five hundred twelve million, one hundred forty-two thousand, four hundred four".