4016072780 has 72 divisors (see below), whose sum is σ = 8873075232. Its totient is φ = 1526711296.

The previous prime is 4016072773. The next prime is 4016072789. The reversal of 4016072780 is 872706104.

It is a happy number.

It is a super-2 number, since 2×4016072780² = 32257681148513856800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4016072780.

It is not an unprimeable number, because it can be changed into a prime (4016072789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1765724 + ... + 1767996.

It is an arithmetic number, because the mean of its divisors is an integer number (123237156).

Almost surely, 2^4016072780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4016072780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4436537616).

4016072780 is an abundant number, since it is smaller than the sum of its proper divisors (4857002452).

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

4016072780 is a wasteful number, since it uses less digits than its factorization.

4016072780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 4016072780 is about 63372.4922975261. The cubic root of 4016072780 is about 1589.5243728535.

Adding to 4016072780 its reverse (872706104), we get a palindrome (4888778884).

The spelling of 4016072780 in words is "four billion, sixteen million, seventy-two thousand, seven hundred eighty".