4406993472 has 112 divisors (see below), whose sum is σ = 13431357440. Its totient is φ = 1249178112.

The previous prime is 4406993443. The next prime is 4406993519. The reversal of 4406993472 is 2743996044.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×4406993472² = 38843182924501229568, which contains 22 as substring.

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

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, 157779 + ... + 183597.

Almost surely, 2^4406993472 is an apocalyptic number.

4406993472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4406993472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6715678720).

4406993472 is an abundant number, since it is smaller than the sum of its proper divisors (9024363968).

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

4406993472 is a wasteful number, since it uses less digits than its factorization.

4406993472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25968 (or 25958 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The square root of 4406993472 is about 66385.1901556364. The cubic root of 4406993472 is about 1639.5102483669.

The spelling of 4406993472 in words is "four billion, four hundred six million, nine hundred ninety-three thousand, four hundred seventy-two".