3440400001530 has 32 divisors (see below), whose sum is σ = 8259933541824. Its totient is φ = 917109607296.

The previous prime is 3440400001471. The next prime is 3440400001531. The reversal of 3440400001530 is 351000040443.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3440400001530.

It is not an unprimeable number, because it can be changed into a prime (3440400001531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20564872 + ... + 20731491.

It is an arithmetic number, because the mean of its divisors is an integer number (258122923182).

Almost surely, 2^{3440400001530} is an apocalyptic number.

3440400001530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3440400001530 is an abundant number, since it is smaller than the sum of its proper divisors (4819533540294).

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

3440400001530 is a wasteful number, since it uses less digits than its factorization.

3440400001530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41299150.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 3440400001530 its reverse (351000040443), we get a palindrome (3791400041973).

The spelling of 3440400001530 in words is "three trillion, four hundred forty billion, four hundred million, one thousand, five hundred thirty".