4449266544 has 40 divisors (see below), whose sum is σ = 11607752592. Its totient is φ = 1468403200.

The previous prime is 4449266483. The next prime is 4449266557. The reversal of 4449266544 is 4456629444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 4449266493 and 4449266502.

It is a congruent number.

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, 454029 + ... + 463724.

Almost surely, 2^4449266544 is an apocalyptic number.

It is an amenable number.

4449266544 is an abundant number, since it is smaller than the sum of its proper divisors (7158486048).

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

4449266544 is a wasteful number, since it uses less digits than its factorization.

4449266544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917865 (or 917859 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 48.

The square root of 4449266544 is about 66702.8226089421. The cubic root of 4449266544 is about 1644.7357839766.

The spelling of 4449266544 in words is "four billion, four hundred forty-nine million, two hundred sixty-six thousand, five hundred forty-four".