33133325740 has 48 divisors (see below), whose sum is σ = 72644382720. Its totient is φ = 12670257600.

The previous prime is 33133325723. The next prime is 33133325761. The reversal of 33133325740 is 4752333133.

It is a junction number, because it is equal to n+sod(n) for n = 33133325696 and 33133325705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879001 + ... + 915919.

It is an arithmetic number, because the mean of its divisors is an integer number (1513424640).

Almost surely, 2^33133325740 is an apocalyptic number.

It is an amenable number.

33133325740 is an abundant number, since it is smaller than the sum of its proper divisors (39511056980).

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

33133325740 is a wasteful number, since it uses less digits than its factorization.

33133325740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38902 (or 38900 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 34.

Adding to 33133325740 its reverse (4752333133), we get a palindrome (37885658873).

The spelling of 33133325740 in words is "thirty-three billion, one hundred thirty-three million, three hundred twenty-five thousand, seven hundred forty".