4722694440 has 32 divisors (see below), whose sum is σ = 14168083680. Its totient is φ = 1259385152.

The previous prime is 4722694421. The next prime is 4722694447. The reversal of 4722694440 is 444962274.

It is a junction number, because it is equal to n+sod(n) for n = 4722694392 and 4722694401.

It is not an unprimeable number, because it can be changed into a prime (4722694447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19677774 + ... + 19678013.

It is an arithmetic number, because the mean of its divisors is an integer number (442752615).

Almost surely, 2^4722694440 is an apocalyptic number.

4722694440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4722694440 is an abundant number, since it is smaller than the sum of its proper divisors (9445389240).

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

4722694440 is a wasteful number, since it uses less digits than its factorization.

4722694440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39355801 (or 39355797 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 4722694440 is about 68721.8628967522. The cubic root of 4722694440 is about 1677.7604370271.

The spelling of 4722694440 in words is "four billion, seven hundred twenty-two million, six hundred ninety-four thousand, four hundred forty".