15266240406 has 24 divisors (see below), whose sum is σ = 33081360624. Its totient is φ = 5088053520.

The previous prime is 15266240401. The next prime is 15266240411. The reversal of 15266240406 is 60404266251.

15266240406 is a `hidden beast` number, since 1 + 5 + 2 + 6 + 6 + 240 + 406 = 666.

It is an interprime number because it is at equal distance from previous prime (15266240401) and next prime (15266240411).

It is a super-2 number, since 2×15266240406² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15266240401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 87951 + ... + 195621.

It is an arithmetic number, because the mean of its divisors is an integer number (1378390026).

Almost surely, 2^15266240406 is an apocalyptic number.

15266240406 is an abundant number, since it is smaller than the sum of its proper divisors (17815120218).

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

15266240406 is a wasteful number, since it uses less digits than its factorization.

15266240406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115556 (or 115553 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 15266240406 in words is "fifteen billion, two hundred sixty-six million, two hundred forty thousand, four hundred six".