426614321655 has 24 divisors (see below), whose sum is σ = 740724605712. Its totient is φ = 227140013184.

The previous prime is 426614321647. The next prime is 426614321657. The reversal of 426614321655 is 556123416624.

426614321655 is a `hidden beast` number, since 4 + 2 + 6 + 614 + 3 + 21 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 426614321655 - 2³ = 426614321647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 426614321655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426614321657) 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, 8048814 + ... + 8101643.

It is an arithmetic number, because the mean of its divisors is an integer number (30863525238).

Almost surely, 2^426614321655 is an apocalyptic number.

426614321655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

426614321655 is a deficient number, since it is larger than the sum of its proper divisors (314110284057).

426614321655 is a wasteful number, since it uses less digits than its factorization.

426614321655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151055 (or 16151052 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 426614321655 in words is "four hundred twenty-six billion, six hundred fourteen million, three hundred twenty-one thousand, six hundred fifty-five".