4013040402 has 64 divisors (see below), whose sum is σ = 10199558400. Its totient is φ = 1145715840.

The previous prime is 4013040401. The next prime is 4013040413. The reversal of 4013040402 is 2040403104.

It is a super-2 number, since 2×4013040402² = 32208986536168643208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4013040401) 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, 627702 + ... + 634062.

It is an arithmetic number, because the mean of its divisors is an integer number (159368100).

Almost surely, 2^4013040402 is an apocalyptic number.

4013040402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4013040402 is an abundant number, since it is smaller than the sum of its proper divisors (6186517998).

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

4013040402 is a wasteful number, since it uses less digits than its factorization.

4013040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8048 (or 8042 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4013040402 is about 63348.5627461271. The cubic root of 4013040402 is about 1589.1242097545.

Adding to 4013040402 its reverse (2040403104), we get a palindrome (6053443506).

The spelling of 4013040402 in words is "four billion, thirteen million, forty thousand, four hundred two".