27460163406 has 96 divisors (see below), whose sum is σ = 60898048992. Its totient is φ = 8248780800.

The previous prime is 27460163377. The next prime is 27460163411. The reversal of 27460163406 is 60436106472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7474386 + ... + 7478058.

It is an arithmetic number, because the mean of its divisors is an integer number (634354677).

Almost surely, 2^27460163406 is an apocalyptic number.

27460163406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27460163406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30449024496).

27460163406 is an abundant number, since it is smaller than the sum of its proper divisors (33437885586).

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

27460163406 is a wasteful number, since it uses less digits than its factorization.

27460163406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3865 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

Adding to 27460163406 its reverse (60436106472), we get a palindrome (87896269878).

The spelling of 27460163406 in words is "twenty-seven billion, four hundred sixty million, one hundred sixty-three thousand, four hundred six".