33542505440 has 48 divisors (see below), whose sum is σ = 79494270912. Its totient is φ = 13374657024.

The previous prime is 33542505439. The next prime is 33542505443. The reversal of 33542505440 is 4450524533.

It is a super-2 number, since 2×33542505440² (a number of 22 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 33542505440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33542505443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 279944 + ... + 381383.

It is an arithmetic number, because the mean of its divisors is an integer number (1656130644).

Almost surely, 2^33542505440 is an apocalyptic number.

It is an amenable number.

33542505440 is an abundant number, since it is smaller than the sum of its proper divisors (45951765472).

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

33542505440 is a wasteful number, since it uses less digits than its factorization.

33542505440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661659 (or 661651 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 33542505440 in words is "thirty-three billion, five hundred forty-two million, five hundred five thousand, four hundred forty".