4011001320 has 64 divisors (see below), whose sum is σ = 12230288640. Its totient is φ = 1052064000.

The previous prime is 4011001283. The next prime is 4011001321. The reversal of 4011001320 is 231001104.

It is a happy number.

4011001320 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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 4011001296 and 4011001305.

It is not an unprimeable number, because it can be changed into a prime (4011001321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266656 + ... + 281295.

It is an arithmetic number, because the mean of its divisors is an integer number (191098260).

Almost surely, 2^4011001320 is an apocalyptic number.

4011001320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4011001320 is an abundant number, since it is smaller than the sum of its proper divisors (8219287320).

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

4011001320 is a wasteful number, since it uses less digits than its factorization.

4011001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548026 (or 548022 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 4011001320 is about 63332.4665554722. The cubic root of 4011001320 is about 1588.8550120702.

Adding to 4011001320 its reverse (231001104), we get a palindrome (4242002424).

The spelling of 4011001320 in words is "four billion, eleven million, one thousand, three hundred twenty".