32040240426 has 24 divisors (see below), whose sum is σ = 69671147364. Its totient is φ = 10641522240.

The previous prime is 32040240347. The next prime is 32040240431. The reversal of 32040240426 is 62404204023.

It can be written as a sum of positive squares in 2 ways, for example, as 31934047401 + 106193025 = 178701^2 + 10305^2 .

It is a super-2 number, since 2×32040240426² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32040240426.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3208035 + ... + 3218006.

Almost surely, 2^32040240426 is an apocalyptic number.

32040240426 is an abundant number, since it is smaller than the sum of its proper divisors (37630906938).

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

32040240426 is a wasteful number, since it uses less digits than its factorization.

32040240426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426326 (or 6426323 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 32040240426 its reverse (62404204023), we get a palindrome (94444444449).

The spelling of 32040240426 in words is "thirty-two billion, forty million, two hundred forty thousand, four hundred twenty-six".