33140322440 has 16 divisors (see below), whose sum is σ = 74565725580. Its totient is φ = 13256128960.

The previous prime is 33140322389. The next prime is 33140322463. The reversal of 33140322440 is 4422304133.

It can be written as a sum of positive squares in 2 ways, for example, as 32615637604 + 524684836 = 180598^2 + 22906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414253991 + ... + 414254070.

Almost surely, 2^33140322440 is an apocalyptic number.

It is an amenable number.

33140322440 is an abundant number, since it is smaller than the sum of its proper divisors (41425403140).

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

33140322440 is a wasteful number, since it uses less digits than its factorization.

33140322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828508072 (or 828508068 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33140322440 its reverse (4422304133), we get a palindrome (37562626573).

The spelling of 33140322440 in words is "thirty-three billion, one hundred forty million, three hundred twenty-two thousand, four hundred forty".