4013240394 has 16 divisors (see below), whose sum is σ = 8033641632. Its totient is φ = 1336553328.

The previous prime is 4013240389. The next prime is 4013240417. The reversal of 4013240394 is 4930423104.

4013240394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4013240394² = 32212196920066550472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291069 + ... + 304544.

It is an arithmetic number, because the mean of its divisors is an integer number (502102602).

Almost surely, 2^4013240394 is an apocalyptic number.

4013240394 is an abundant number, since it is smaller than the sum of its proper divisors (4020401238).

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

4013240394 is a wasteful number, since it uses less digits than its factorization.

4013240394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596741.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4013240394 is about 63350.1412310975. The cubic root of 4013240394 is about 1589.1506075990.

Adding to 4013240394 its reverse (4930423104), we get a palindrome (8943663498).

The spelling of 4013240394 in words is "four billion, thirteen million, two hundred forty thousand, three hundred ninety-four".