426288372642 has 96 divisors (see below), whose sum is σ = 1102505947200. Its totient is φ = 121579539840.

The previous prime is 426288372589. The next prime is 426288372647. The reversal of 426288372642 is 246273882624.

426288372642 is a `hidden beast` number, since 4 + 2 + 628 + 8 + 3 + 7 + 2 + 6 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (426288372647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1807792 + ... + 2029947.

It is an arithmetic number, because the mean of its divisors is an integer number (11484436950).

Almost surely, 2^426288372642 is an apocalyptic number.

426288372642 is an abundant number, since it is smaller than the sum of its proper divisors (676217574558).

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

426288372642 is a wasteful number, since it uses less digits than its factorization.

426288372642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837789 (or 3837772 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 54.

The spelling of 426288372642 in words is "four hundred twenty-six billion, two hundred eighty-eight million, three hundred seventy-two thousand, six hundred forty-two".