1941164442 has 72 divisors (see below), whose sum is σ = 5024938464. Its totient is φ = 530486352.

The previous prime is 1941164441. The next prime is 1941164447. The reversal of 1941164442 is 2444611491.

It is a happy number.

1941164442 is a `hidden beast` number, since 1 + 9 + 4 + 1 + 1 + 644 + 4 + 2 = 666.

It is a super-4 number, since 4×1941164442⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1941164397 and 1941164406.

It is not an unprimeable number, because it can be changed into a prime (1941164441) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52093 + ... + 81215.

It is an arithmetic number, because the mean of its divisors is an integer number (69790812).

Almost surely, 2^1941164442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1941164442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512469232).

1941164442 is an abundant number, since it is smaller than the sum of its proper divisors (3083774022).

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

1941164442 is a wasteful number, since it uses less digits than its factorization.

1941164442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29184 (or 29158 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1941164442 is about 44058.6477550095. The cubic root of 1941164442 is about 1247.4431880292.

The spelling of 1941164442 in words is "one billion, nine hundred forty-one million, one hundred sixty-four thousand, four hundred forty-two".