33538404116 has 24 divisors (see below), whose sum is σ = 70607167680. Its totient is φ = 13617096192.

The previous prime is 33538404101. The next prime is 33538404157. The reversal of 33538404116 is 61140483533.

It is a super-2 number, since 2×33538404116² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 33538404116.

It is a congruent number.

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, 31520525 + ... + 31521588.

It is an arithmetic number, because the mean of its divisors is an integer number (2941965320).

Almost surely, 2^33538404116 is an apocalyptic number.

It is an amenable number.

33538404116 is an abundant number, since it is smaller than the sum of its proper divisors (37068763564).

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

33538404116 is a wasteful number, since it uses less digits than its factorization.

33538404116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63042143 (or 63042141 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 33538404116 its reverse (61140483533), we get a palindrome (94678887649).

The spelling of 33538404116 in words is "thirty-three billion, five hundred thirty-eight million, four hundred four thousand, one hundred sixteen".