4434867840 has 128 divisors (see below), whose sum is σ = 15223622400. Its totient is φ = 1091653632.

The previous prime is 4434867779. The next prime is 4434867851. The reversal of 4434867840 is 487684344.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a self number, because there is not a number n which added to its sum of digits gives 4434867840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63880 + ... + 113799.

It is an arithmetic number, because the mean of its divisors is an integer number (118934550).

Almost surely, 2^4434867840 is an apocalyptic number.

4434867840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4434867840 is an abundant number, since it is smaller than the sum of its proper divisors (10788754560).

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

4434867840 is a wasteful number, since it uses less digits than its factorization.

4434867840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177714 (or 177702 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The square root of 4434867840 is about 66594.8034008660. The cubic root of 4434867840 is about 1642.9596368209.

The spelling of 4434867840 in words is "four billion, four hundred thirty-four million, eight hundred sixty-seven thousand, eight hundred forty".