42726211904 has 28 divisors (see below), whose sum is σ = 84811272084. Its totient is φ = 21356442624.

The previous prime is 42726211903. The next prime is 42726211909. The reversal of 42726211904 is 40911262724.

It can be written as a sum of positive squares in 2 ways, for example, as 22425661504 + 20300550400 = 149752^2 + 142480^2 .

It is a super-2 number, since 2×42726211904² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42726211903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105962 + ... + 310934.

It is an arithmetic number, because the mean of its divisors is an integer number (3028974003).

Almost surely, 2^42726211904 is an apocalyptic number.

It is an amenable number.

42726211904 is a deficient number, since it is larger than the sum of its proper divisors (42085060180).

42726211904 is a wasteful number, since it uses less digits than its factorization.

42726211904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208242 (or 208232 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 42726211904 in words is "forty-two billion, seven hundred twenty-six million, two hundred eleven thousand, nine hundred four".