21460226455 has 8 divisors (see below), whose sum is σ = 25922817504. Its totient is φ = 17054484000.

The previous prime is 21460226443. The next prime is 21460226467. The reversal of 21460226455 is 55462206412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21460226443) and next prime (21460226467).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21460226455 - 2¹⁵ = 21460193687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14211316 + ... + 14212825.

It is an arithmetic number, because the mean of its divisors is an integer number (3240352188).

Almost surely, 2^21460226455 is an apocalyptic number.

21460226455 is a deficient number, since it is larger than the sum of its proper divisors (4462591049).

21460226455 is a wasteful number, since it uses less digits than its factorization.

21460226455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28424297.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 21460226455 in words is "twenty-one billion, four hundred sixty million, two hundred twenty-six thousand, four hundred fifty-five".