3450688644 has 36 divisors (see below), whose sum is σ = 8718608976. Its totient is φ = 1061749728.

The previous prime is 3450688613. The next prime is 3450688669. The reversal of 3450688644 is 4468860543.

It is a junction number, because it is equal to n+sod(n) for n = 3450688593 and 3450688602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848734 + ... + 852789.

Almost surely, 2^3450688644 is an apocalyptic number.

It is an amenable number.

3450688644 is an abundant number, since it is smaller than the sum of its proper divisors (5267920332).

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

3450688644 is a wasteful number, since it uses less digits than its factorization.

3450688644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701556 (or 1701541 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The square root of 3450688644 is about 58742.5624568762. The cubic root of 3450688644 is about 1511.1303385425.

The spelling of 3450688644 in words is "three billion, four hundred fifty million, six hundred eighty-eight thousand, six hundred forty-four".