33533004540 has 96 divisors (see below), whose sum is σ = 110205817344. Its totient is φ = 7457529600.

The previous prime is 33533004521. The next prime is 33533004599. The reversal of 33533004540 is 4540033533.

It is a super-2 number, since 2×33533004540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 33533004498 and 33533004507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1063386 + ... + 1094465.

It is an arithmetic number, because the mean of its divisors is an integer number (1147977264).

Almost surely, 2^33533004540 is an apocalyptic number.

33533004540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33533004540 is an abundant number, since it is smaller than the sum of its proper divisors (76672812804).

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

33533004540 is a wasteful number, since it uses less digits than its factorization.

33533004540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157907 (or 2157905 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 30.

The spelling of 33533004540 in words is "thirty-three billion, five hundred thirty-three million, four thousand, five hundred forty".