4446404040 has 64 divisors (see below), whose sum is σ = 14365310400. Its totient is φ = 1094499072.

The previous prime is 4446404029. The next prime is 4446404047. The reversal of 4446404040 is 404046444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4446403989 and 4446404007.

It is not an unprimeable number, because it can be changed into a prime (4446404047) 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, 1423570 + ... + 1426689.

It is an arithmetic number, because the mean of its divisors is an integer number (224457975).

Almost surely, 2^4446404040 is an apocalyptic number.

4446404040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4446404040 is an abundant number, since it is smaller than the sum of its proper divisors (9918906360).

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

4446404040 is a wasteful number, since it uses less digits than its factorization.

4446404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850286 (or 2850282 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 4446404040 is about 66681.3620136842. The cubic root of 4446404040 is about 1644.3829862931.

The spelling of 4446404040 in words is "four billion, four hundred forty-six million, four hundred four thousand, forty".