34003421440 has 144 divisors (see below), whose sum is σ = 85907848320. Its totient is φ = 12859637760.

The previous prime is 34003421429. The next prime is 34003421519. The reversal of 34003421440 is 4412430043.

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, 15733960 + ... + 15736120.

It is an arithmetic number, because the mean of its divisors is an integer number (596582280).

Almost surely, 2^34003421440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34003421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42953924160).

34003421440 is an abundant number, since it is smaller than the sum of its proper divisors (51904426880).

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

34003421440 is a wasteful number, since it uses less digits than its factorization.

34003421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 34003421440 its reverse (4412430043), we get a palindrome (38415851483).

The spelling of 34003421440 in words is "thirty-four billion, three million, four hundred twenty-one thousand, four hundred forty".