426515346124656 has 160 divisors (see below), whose sum is σ = 1172442171041280. Its totient is φ = 133226126208000.

The previous prime is 426515346124649. The next prime is 426515346124691. The reversal of 426515346124656 is 656421643515624.

It is a super-2 number, since 2×426515346124656² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426515346124656.

It is a congruent number.

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, 92721886 + ... + 97213058.

It is an arithmetic number, because the mean of its divisors is an integer number (7327763569008).

Almost surely, 2^{426515346124656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426515346124656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586221085520640).

426515346124656 is an abundant number, since it is smaller than the sum of its proper divisors (745926824916624).

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

426515346124656 is a wasteful number, since it uses less digits than its factorization.

426515346124656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492335 (or 4492329 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 60.

The spelling of 426515346124656 in words is "four hundred twenty-six trillion, five hundred fifteen billion, three hundred forty-six million, one hundred twenty-four thousand, six hundred fifty-six".