1033440332240 has 80 divisors (see below), whose sum is σ = 2436068337600. Its totient is φ = 407645623296.

The previous prime is 1033440332161. The next prime is 1033440332261. The reversal of 1033440332240 is 422330443301.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 49156451 + ... + 49177469.

It is an arithmetic number, because the mean of its divisors is an integer number (30450854220).

Almost surely, 2^{1033440332240} is an apocalyptic number.

1033440332240 is a gapful number since it is divisible by the number (10) 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 1033440332240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218034168800).

1033440332240 is an abundant number, since it is smaller than the sum of its proper divisors (1402628005360).

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

1033440332240 is a wasteful number, since it uses less digits than its factorization.

1033440332240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29524 (or 29518 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 1033440332240 its reverse (422330443301), we get a palindrome (1455770775541).

The spelling of 1033440332240 in words is "one trillion, thirty-three billion, four hundred forty million, three hundred thirty-two thousand, two hundred forty".