4011220992 has 112 divisors (see below), whose sum is σ = 11326288752. Its totient is φ = 1258291200.

The previous prime is 4011220991. The next prime is 4011221017. The reversal of 4011220992 is 2990221104.

It is a happy number.

It is a super-2 number, since 2×4011220992² = 32179787693322928128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011220991) 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, 412992 + ... + 422592.

Almost surely, 2^4011220992 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 4011220992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5663144376).

4011220992 is an abundant number, since it is smaller than the sum of its proper divisors (7315067760).

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

4011220992 is an equidigital number, since it uses as much as digits as its factorization.

4011220992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9647 (or 9623 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 4011220992 is about 63334.2008080942. The cubic root of 4011220992 is about 1588.8840173450.

The spelling of 4011220992 in words is "four billion, eleven million, two hundred twenty thousand, nine hundred ninety-two".