3450981440 has 56 divisors (see below), whose sum is σ = 8501039640. Its totient is φ = 1332789248.

The previous prime is 3450981403. The next prime is 3450981517. The reversal of 3450981440 is 441890543.

It can be written as a sum of positive squares in 4 ways, for example, as 1262238784 + 2188742656 = 35528^2 + 46784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3450981394 and 3450981403.

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, 176657 + ... + 195216.

Almost surely, 2^3450981440 is an apocalyptic number.

It is an amenable number.

3450981440 is an abundant number, since it is smaller than the sum of its proper divisors (5050058200).

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

3450981440 is a wasteful number, since it uses less digits than its factorization.

3450981440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371919 (or 371909 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 3450981440 is about 58745.0546003661. The cubic root of 3450981440 is about 1511.1730778767.

The spelling of 3450981440 in words is "three billion, four hundred fifty million, nine hundred eighty-one thousand, four hundred forty".