4407400440 has 48 divisors (see below), whose sum is σ = 14324052600. Its totient is φ = 1175306688.

The previous prime is 4407400429. The next prime is 4407400453. The reversal of 4407400440 is 440047044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6121030 + ... + 6121749.

Almost surely, 2^4407400440 is an apocalyptic number.

4407400440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4407400440 is an abundant number, since it is smaller than the sum of its proper divisors (9916652160).

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

4407400440 is a wasteful number, since it uses less digits than its factorization.

4407400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242796 (or 12242789 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 4407400440 is about 66388.2552866092. The cubic root of 4407400440 is about 1639.5607141908.

Adding to 4407400440 its reverse (440047044), we get a palindrome (4847447484).

The spelling of 4407400440 in words is "four billion, four hundred seven million, four hundred thousand, four hundred forty".