426634553426445 has 256 divisors, whose sum is σ = 960201356083200. Its totient is φ = 174922962600960.

The previous prime is 426634553426407. The next prime is 426634553426447. The reversal of 426634553426445 is 544624355436624.

426634553426445 is a `hidden beast` number, since 4 + 2 + 6 + 6 + 34 + 5 + 534 + 2 + 64 + 4 + 5 = 666.

It is not a de Polignac number, because 426634553426445 - 2⁹ = 426634553425933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426634553426447) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 98782491 + ... + 103010919.

It is an arithmetic number, because the mean of its divisors is an integer number (3750786547200).

Almost surely, 2^{426634553426445} is an apocalyptic number.

426634553426445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426634553426445 is an abundant number, since it is smaller than the sum of its proper divisors (533566802656755).

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

426634553426445 is a wasteful number, since it uses less digits than its factorization.

426634553426445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228697 (or 4228691 counting only the distinct ones).

The product of its digits is 995328000, while the sum is 63.

The spelling of 426634553426445 in words is "four hundred twenty-six trillion, six hundred thirty-four billion, five hundred fifty-three million, four hundred twenty-six thousand, four hundred forty-five".