4019340072 has 128 divisors (see below), whose sum is σ = 11285568000. Its totient is φ = 1182531840.

The previous prime is 4019340071. The next prime is 4019340079. The reversal of 4019340072 is 2700439104.

It is a happy number.

It is a super-2 number, since 2×4019340072² = 32310189228769930368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4019340071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1291254 + ... + 1294362.

It is an arithmetic number, because the mean of its divisors is an integer number (88168500).

Almost surely, 2^4019340072 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 4019340072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5642784000).

4019340072 is an abundant number, since it is smaller than the sum of its proper divisors (7266227928).

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

4019340072 is a wasteful number, since it uses less digits than its factorization.

4019340072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271 (or 3267 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 4019340072 is about 63398.2655283250. The cubic root of 4019340072 is about 1589.9553106383.

Adding to 4019340072 its reverse (2700439104), we get a palindrome (6719779176).

The spelling of 4019340072 in words is "four billion, nineteen million, three hundred forty thousand, seventy-two".