3403123421440 has 72 divisors (see below), whose sum is σ = 8177755779648. Its totient is φ = 1356872202240.

The previous prime is 3403123421417. The next prime is 3403123421459. The reversal of 3403123421440 is 441243213043.

It is a super-3 number, since 3×3403123421440³ (a number of 39 digits) contains 333 as substring.

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, 3876342 + ... + 4672501.

It is an arithmetic number, because the mean of its divisors is an integer number (113579941384).

Almost surely, 2^{3403123421440} is an apocalyptic number.

It is an amenable number.

3403123421440 is an abundant number, since it is smaller than the sum of its proper divisors (4774632358208).

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

3403123421440 is an equidigital number, since it uses as much as digits as its factorization.

3403123421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8549175 (or 8549161 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 3403123421440 its reverse (441243213043), we get a palindrome (3844366634483).

The spelling of 3403123421440 in words is "three trillion, four hundred three billion, one hundred twenty-three million, four hundred twenty-one thousand, four hundred forty".