426914801440 has 96 divisors (see below), whose sum is σ = 1021540013424. Its totient is φ = 168581529600.

The previous prime is 426914801437. The next prime is 426914801441. The reversal of 426914801440 is 44108419624.

It can be written as a sum of positive squares in 8 ways, for example, as 223906883344 + 203007918096 = 473188^2 + 450564^2 .

It is not an unprimeable number, because it can be changed into a prime (426914801441) 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, 6189222 + ... + 6257818.

Almost surely, 2^426914801440 is an apocalyptic number.

426914801440 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 426914801440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510770006712).

426914801440 is an abundant number, since it is smaller than the sum of its proper divisors (594625211984).

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

426914801440 is a wasteful number, since it uses less digits than its factorization.

426914801440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69110 (or 69102 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 426914801440 in words is "four hundred twenty-six billion, nine hundred fourteen million, eight hundred one thousand, four hundred forty".