3450440661 has 16 divisors (see below), whose sum is σ = 4802395008. Its totient is φ = 2201428800.

The previous prime is 3450440639. The next prime is 3450440681. The reversal of 3450440661 is 1660440543.

It is not a de Polignac number, because 3450440661 - 2⁷ = 3450440533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450440681) 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, 248025 + ... + 261566.

It is an arithmetic number, because the mean of its divisors is an integer number (300149688).

Almost surely, 2^3450440661 is an apocalyptic number.

It is an amenable number.

3450440661 is a deficient number, since it is larger than the sum of its proper divisors (1351954347).

3450440661 is a wasteful number, since it uses less digits than its factorization.

3450440661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509692.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 3450440661 is about 58740.4516581206. The cubic root of 3450440661 is about 1511.0941386560.

The spelling of 3450440661 in words is "three billion, four hundred fifty million, four hundred forty thousand, six hundred sixty-one".