423666140260 has 72 divisors (see below), whose sum is σ = 987616575288. Its totient is φ = 152534976000.

The previous prime is 423666140201. The next prime is 423666140263. The reversal of 423666140260 is 62041666324.

It can be written as a sum of positive squares in 4 ways, for example, as 225626900004 + 198039240256 = 475002^2 + 445016^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (423666140263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622257 + ... + 1111096.

It is an arithmetic number, because the mean of its divisors is an integer number (13716896879).

Almost surely, 2^423666140260 is an apocalyptic number.

It is an amenable number.

423666140260 is an abundant number, since it is smaller than the sum of its proper divisors (563950435028).

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

423666140260 is a wasteful number, since it uses less digits than its factorization.

423666140260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733485 (or 1733472 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 423666140260 in words is "four hundred twenty-three billion, six hundred sixty-six million, one hundred forty thousand, two hundred sixty".