34001021440 has 80 divisors (see below), whose sum is σ = 85067376768. Its totient is φ = 13009063936.

The previous prime is 34001021401. The next prime is 34001021443. The reversal of 34001021440 is 4412010043.

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

It is not an unprimeable number, because it can be changed into a prime (34001021443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229852 + ... + 347611.

Almost surely, 2^34001021440 is an apocalyptic number.

It is an amenable number.

34001021440 is an abundant number, since it is smaller than the sum of its proper divisors (51066355328).

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

34001021440 is an equidigital number, since it uses as much as digits as its factorization.

34001021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577509 (or 577493 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 34001021440 its reverse (4412010043), we get a palindrome (38413031483).

The spelling of 34001021440 in words is "thirty-four billion, one million, twenty-one thousand, four hundred forty".