4067744440 has 16 divisors (see below), whose sum is σ = 9152425080. Its totient is φ = 1627097760.

The previous prime is 4067744431. The next prime is 4067744441. The reversal of 4067744440 is 444477604.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 101693611 = 4067744440 / (4 + 0 + 6 + 7 + 7 + 4 + 4 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 4067744393 and 4067744402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4067744441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50846766 + ... + 50846845.

Almost surely, 2^4067744440 is an apocalyptic number.

4067744440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4067744440 is an abundant number, since it is smaller than the sum of its proper divisors (5084680640).

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

4067744440 is a wasteful number, since it uses less digits than its factorization.

4067744440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101693622 (or 101693618 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 40.

The square root of 4067744440 is about 63778.8714230661. The cubic root of 4067744440 is about 1596.3123981497.

The spelling of 4067744440 in words is "four billion, sixty-seven million, seven hundred forty-four thousand, four hundred forty".