4040493428 has 12 divisors (see below), whose sum is σ = 7486796772. Its totient is φ = 1901408640.

The previous prime is 4040493397. The next prime is 4040493451. The reversal of 4040493428 is 8243940404.

It can be written as a sum of positive squares in 2 ways, for example, as 1095477604 + 2945015824 = 33098^2 + 54268^2 .

It is a super-2 number, since 2×4040493428² = 32651174283422382368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4040493391 and 4040493400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29709443 + ... + 29709578.

It is an arithmetic number, because the mean of its divisors is an integer number (623899731).

Almost surely, 2^4040493428 is an apocalyptic number.

It is an amenable number.

4040493428 is a deficient number, since it is larger than the sum of its proper divisors (3446303344).

4040493428 is a wasteful number, since it uses less digits than its factorization.

4040493428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59419042 (or 59419040 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 4040493428 is about 63564.8757412457. The cubic root of 4040493428 is about 1592.7396865074.

The spelling of 4040493428 in words is "four billion, forty million, four hundred ninety-three thousand, four hundred twenty-eight".