4069751440 has 40 divisors (see below), whose sum is σ = 9472340160. Its totient is φ = 1626151296.

The previous prime is 4069751437. The next prime is 4069751459. The reversal of 4069751440 is 441579604.

4069751440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4069751393 and 4069751402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48901 + ... + 102619.

It is an arithmetic number, because the mean of its divisors is an integer number (236808504).

Almost surely, 2^4069751440 is an apocalyptic number.

4069751440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4069751440 is an abundant number, since it is smaller than the sum of its proper divisors (5402588720).

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

4069751440 is a wasteful number, since it uses less digits than its factorization.

4069751440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54679 (or 54673 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 4069751440 is about 63794.6035335278. The cubic root of 4069751440 is about 1596.5748918784.

The spelling of 4069751440 in words is "four billion, sixty-nine million, seven hundred fifty-one thousand, four hundred forty".