33421433403140 has 48 divisors (see below), whose sum is σ = 72581491444224. Its totient is φ = 12913677504000.

The previous prime is 33421433403139. The next prime is 33421433403161. The reversal of 33421433403140 is 4130433412433.

It is a super-2 number, since 2×33421433403140² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33421433403140.

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, 48934661 + ... + 49612940.

It is an arithmetic number, because the mean of its divisors is an integer number (1512114405088).

Almost surely, 2^{33421433403140} is an apocalyptic number.

It is an amenable number.

33421433403140 is an abundant number, since it is smaller than the sum of its proper divisors (39160058041084).

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

33421433403140 is a wasteful number, since it uses less digits than its factorization.

33421433403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98548188 (or 98548186 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 33421433403140 its reverse (4130433412433), we get a palindrome (37551866815573).

The spelling of 33421433403140 in words is "thirty-three trillion, four hundred twenty-one billion, four hundred thirty-three million, four hundred three thousand, one hundred forty".