33285505465440 has 480 divisors, whose sum is σ = 118333353600000. Its totient is φ = 8811113997312.

The previous prime is 33285505465391. The next prime is 33285505465453. The reversal of 33285505465440 is 4456450558233.

33285505465440 is a `hidden beast` number, since 3 + 3 + 2 + 8 + 5 + 5 + 0 + 546 + 54 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×33285505465440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1132183861 + ... + 1132213259.

It is an arithmetic number, because the mean of its divisors is an integer number (246527820000).

Almost surely, 2^{33285505465440} is an apocalyptic number.

33285505465440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33285505465440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59166676800000).

33285505465440 is an abundant number, since it is smaller than the sum of its proper divisors (85047848134560).

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

33285505465440 is a wasteful number, since it uses less digits than its factorization.

33285505465440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30064 (or 30047 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 54.

The spelling of 33285505465440 in words is "thirty-three trillion, two hundred eighty-five billion, five hundred five million, four hundred sixty-five thousand, four hundred forty".