3440400030402 has 16 divisors (see below), whose sum is σ = 7102761353472. Its totient is φ = 1109806461360.

The previous prime is 3440400030359. The next prime is 3440400030449. The reversal of 3440400030402 is 2040300040443.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9248386993 + ... + 9248387364.

It is an arithmetic number, because the mean of its divisors is an integer number (443922584592).

Almost surely, 2^{3440400030402} is an apocalyptic number.

3440400030402 is an abundant number, since it is smaller than the sum of its proper divisors (3662361323070).

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

3440400030402 is a wasteful number, since it uses less digits than its factorization.

3440400030402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18496774393.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 3440400030402 its reverse (2040300040443), we get a palindrome (5480700070845).

The spelling of 3440400030402 in words is "three trillion, four hundred forty billion, four hundred million, thirty thousand, four hundred two".