33355120044 has 24 divisors (see below), whose sum is σ = 77840412160. Its totient is φ = 11116687824.

The previous prime is 33355120039. The next prime is 33355120061. The reversal of 33355120044 is 44002155333.

It is a super-2 number, since 2×33355120044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33355119993 and 33355120020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126904 + ... + 287775.

Almost surely, 2^33355120044 is an apocalyptic number.

It is an amenable number.

33355120044 is an abundant number, since it is smaller than the sum of its proper divisors (44485292116).

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

33355120044 is a wasteful number, since it uses less digits than its factorization.

33355120044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421389 (or 421387 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 33355120044 its reverse (44002155333), we get a palindrome (77357275377).

The spelling of 33355120044 in words is "thirty-three billion, three hundred fifty-five million, one hundred twenty thousand, forty-four".