33366503040 has 128 divisors (see below), whose sum is σ = 114537024000. Its totient is φ = 8213286912.

The previous prime is 33366503021. The next prime is 33366503047. The reversal of 33366503040 is 4030566333.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×33366503040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33366502992 and 33366503010.

It is not an unprimeable number, because it can be changed into a prime (33366503047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643440 + ... + 693359.

It is an arithmetic number, because the mean of its divisors is an integer number (894820500).

Almost surely, 2^33366503040 is an apocalyptic number.

33366503040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33366503040 is an abundant number, since it is smaller than the sum of its proper divisors (81170520960).

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

33366503040 is a wasteful number, since it uses less digits than its factorization.

33366503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336834 (or 1336822 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 33.

The spelling of 33366503040 in words is "thirty-three billion, three hundred sixty-six million, five hundred three thousand, forty".