426193749384 has 256 divisors, whose sum is σ = 1258612992000. Its totient is φ = 119427932160.

The previous prime is 426193749337. The next prime is 426193749427. The reversal of 426193749384 is 483947391624.

It is a super-2 number, since 2×426193749384² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47514052 + ... + 47523020.

It is an arithmetic number, because the mean of its divisors is an integer number (4916457000).

Almost surely, 2^426193749384 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 426193749384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629306496000).

426193749384 is an abundant number, since it is smaller than the sum of its proper divisors (832419242616).

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

426193749384 is a wasteful number, since it uses less digits than its factorization.

426193749384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9073 (or 9035 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 60.

The spelling of 426193749384 in words is "four hundred twenty-six billion, one hundred ninety-three million, seven hundred forty-nine thousand, three hundred eighty-four".