33556405340 has 12 divisors (see below), whose sum is σ = 70468451256. Its totient is φ = 13422562128.

The previous prime is 33556405339. The next prime is 33556405367. The reversal of 33556405340 is 4350465533.

It is a super-2 number, since 2×33556405340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33556405294 and 33556405303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838910114 + ... + 838910153.

It is an arithmetic number, because the mean of its divisors is an integer number (5872370938).

Almost surely, 2^33556405340 is an apocalyptic number.

It is an amenable number.

33556405340 is an abundant number, since it is smaller than the sum of its proper divisors (36912045916).

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

33556405340 is a wasteful number, since it uses less digits than its factorization.

33556405340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677820276 (or 1677820274 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 33556405340 in words is "thirty-three billion, five hundred fifty-six million, four hundred five thousand, three hundred forty".