426638804186000 has 160 divisors (see below), whose sum is σ = 1179261297946368. Its totient is φ = 146241988147200.

The previous prime is 426638804185969. The next prime is 426638804186033. The reversal of 426638804186000 is 681408836624.

It is a super-2 number, since 2×426638804186000² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56404424 + ... + 63519576.

Almost surely, 2^{426638804186000} is an apocalyptic number.

426638804186000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426638804186000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589630648973184).

426638804186000 is an abundant number, since it is smaller than the sum of its proper divisors (752622493760368).

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

426638804186000 is a wasteful number, since it uses less digits than its factorization.

426638804186000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7119466 (or 7119450 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 426638804186000 in words is "four hundred twenty-six trillion, six hundred thirty-eight billion, eight hundred four million, one hundred eighty-six thousand".