33213400044 has 48 divisors (see below), whose sum is σ = 84609221760. Its totient is φ = 10056807040.

The previous prime is 33213400037. The next prime is 33213400061. The reversal of 33213400044 is 44000431233.

It is a super-2 number, since 2×33213400044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33213399987 and 33213400023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72547 + ... + 267749.

It is an arithmetic number, because the mean of its divisors is an integer number (1762692120).

Almost surely, 2^33213400044 is an apocalyptic number.

It is an amenable number.

33213400044 is an abundant number, since it is smaller than the sum of its proper divisors (51395821716).

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

33213400044 is a wasteful number, since it uses less digits than its factorization.

33213400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196510 (or 196508 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33213400044 its reverse (44000431233), we get a palindrome (77213831277).

The spelling of 33213400044 in words is "thirty-three billion, two hundred thirteen million, four hundred thousand, forty-four".