426487293378 has 24 divisors (see below), whose sum is σ = 924459938688. Its totient is φ = 142100256312.

The previous prime is 426487293367. The next prime is 426487293383. The reversal of 426487293378 is 873392784624.

426487293378 is a `hidden beast` number, since 4 + 264 + 87 + 293 + 3 + 7 + 8 = 666.

426487293378 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×426487293378² (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 11 ways as a sum of consecutive naturals, for example, 5138926 + ... + 5221257.

It is an arithmetic number, because the mean of its divisors is an integer number (38519164112).

Almost surely, 2^426487293378 is an apocalyptic number.

426487293378 is an abundant number, since it is smaller than the sum of its proper divisors (497972645310).

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

426487293378 is a wasteful number, since it uses less digits than its factorization.

426487293378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362478 (or 10362475 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 426487293378 in words is "four hundred twenty-six billion, four hundred eighty-seven million, two hundred ninety-three thousand, three hundred seventy-eight".