423746065940 has 12 divisors (see below), whose sum is σ = 889866738516. Its totient is φ = 169498426368.

The previous prime is 423746065933. The next prime is 423746065999. The reversal of 423746065940 is 49560647324.

It can be written as a sum of positive squares in 2 ways, for example, as 45378372484 + 378367693456 = 213022^2 + 615116^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 10593651629 + ... + 10593651668.

It is an arithmetic number, because the mean of its divisors is an integer number (74155561543).

Almost surely, 2^423746065940 is an apocalyptic number.

It is an amenable number.

423746065940 is an abundant number, since it is smaller than the sum of its proper divisors (466120672576).

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

423746065940 is a wasteful number, since it uses less digits than its factorization.

423746065940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21187303306 (or 21187303304 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 423746065940 in words is "four hundred twenty-three billion, seven hundred forty-six million, sixty-five thousand, nine hundred forty".