6291040426 has 8 divisors (see below), whose sum is σ = 10294429824. Its totient is φ = 2859563820.

The previous prime is 6291040421. The next prime is 6291040487. The reversal of 6291040426 is 6240401926.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6291040426² = 79154379283132522952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6291040391 and 6291040400.

It is not an unprimeable number, because it can be changed into a prime (6291040421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142978170 + ... + 142978213.

It is an arithmetic number, because the mean of its divisors is an integer number (1286803728).

Almost surely, 2^6291040426 is an apocalyptic number.

6291040426 is a deficient number, since it is larger than the sum of its proper divisors (4003389398).

6291040426 is a wasteful number, since it uses less digits than its factorization.

6291040426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285956396.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6291040426 is about 79316.0792399624. The cubic root of 6291040426 is about 1846.0388023006.

The spelling of 6291040426 in words is "six billion, two hundred ninety-one million, forty thousand, four hundred twenty-six".