12406442590 has 16 divisors (see below), whose sum is σ = 22561821072. Its totient is φ = 4911416064.

The previous prime is 12406442579. The next prime is 12406442591. The reversal of 12406442590 is 9524460421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406442591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6394104 + ... + 6396043.

It is an arithmetic number, because the mean of its divisors is an integer number (1410113817).

Almost surely, 2^12406442590 is an apocalyptic number.

12406442590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12406442590 is a deficient number, since it is larger than the sum of its proper divisors (10155378482).

12406442590 is a wasteful number, since it uses less digits than its factorization.

12406442590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12790251.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 12406442590 in words is "twelve billion, four hundred six million, four hundred forty-two thousand, five hundred ninety".