426597777136000 has 128 divisors (see below), whose sum is σ = 1060666907152320. Its totient is φ = 170632967680000.

The previous prime is 426597777135953. The next prime is 426597777136007. The reversal of 426597777136000 is 631777795624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426597777136007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457630380 + ... + 458561620.

Almost surely, 2^{426597777136000} is an apocalyptic number.

426597777136000 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 426597777136000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530333453576160).

426597777136000 is an abundant number, since it is smaller than the sum of its proper divisors (634069130016320).

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

426597777136000 is an equidigital number, since it uses as much as digits as its factorization.

426597777136000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959901 (or 959879 counting only the distinct ones).

The product of its (nonzero) digits is 93350880, while the sum is 64.

The spelling of 426597777136000 in words is "four hundred twenty-six trillion, five hundred ninety-seven billion, seven hundred seventy-seven million, one hundred thirty-six thousand".