4012022720 has 56 divisors (see below), whose sum is σ = 9560161728. Its totient is φ = 1603712000.

The previous prime is 4012022717. The next prime is 4012022753. The reversal of 4012022720 is 272202104.

It is a happy number.

4012022720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4012022692 and 4012022701.

It is a congruent number.

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, 595370 + ... + 602070.

Almost surely, 2^4012022720 is an apocalyptic number.

4012022720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4012022720 is an abundant number, since it is smaller than the sum of its proper divisors (5548139008).

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

4012022720 is a wasteful number, since it uses less digits than its factorization.

4012022720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589 (or 8579 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4012022720 is about 63340.5298367483. The cubic root of 4012022720 is about 1588.9898677372.

Adding to 4012022720 its reverse (272202104), we get a palindrome (4284224824).

The spelling of 4012022720 in words is "four billion, twelve million, twenty-two thousand, seven hundred twenty".