4455691444 has 12 divisors (see below), whose sum is σ = 8207852800. Its totient is φ = 2110590648.

The previous prime is 4455691421. The next prime is 4455691447. The reversal of 4455691444 is 4441965544.

It is a junction number, because it is equal to n+sod(n) for n = 4455691394 and 4455691403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455691447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29313684 + ... + 29313835.

Almost surely, 2^4455691444 is an apocalyptic number.

It is an amenable number.

4455691444 is a deficient number, since it is larger than the sum of its proper divisors (3752161356).

4455691444 is a wasteful number, since it uses less digits than its factorization.

4455691444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58627542 (or 58627540 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The square root of 4455691444 is about 66750.9658656712. The cubic root of 4455691444 is about 1645.5270889710.

The spelling of 4455691444 in words is "four billion, four hundred fifty-five million, six hundred ninety-one thousand, four hundred forty-four".