33928040055 has 128 divisors (see below), whose sum is σ = 69404590080. Its totient is φ = 13767252480.

The previous prime is 33928040021. The next prime is 33928040059. The reversal of 33928040055 is 55004082933.

It is not a de Polignac number, because 33928040055 - 2¹¹ = 33928038007 is a prime.

It is a super-2 number, since 2×33928040055² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 33928039995 and 33928040022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33928040059) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6894886 + ... + 6899804.

It is an arithmetic number, because the mean of its divisors is an integer number (542223360).

Almost surely, 2^33928040055 is an apocalyptic number.

33928040055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

33928040055 is an abundant number, since it is smaller than the sum of its proper divisors (35476550025).

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

33928040055 is a wasteful number, since it uses less digits than its factorization.

33928040055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 33928040055 in words is "thirty-three billion, nine hundred twenty-eight million, forty thousand, fifty-five".