42398826321285 has 24 divisors (see below), whose sum is σ = 83990055951360. Its totient is φ = 19382320603872.

The previous prime is 42398826321259. The next prime is 42398826321323. The reversal of 42398826321285 is 58212362889324.

42398826321285 is a `hidden beast` number, since 4 + 2 + 3 + 9 + 8 + 8 + 26 + 321 + 285 = 666.

It is not a de Polignac number, because 42398826321285 - 2⁶ = 42398826321221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67299724005 + ... + 67299724634.

It is an arithmetic number, because the mean of its divisors is an integer number (3499585664640).

Almost surely, 2^{42398826321285} is an apocalyptic number.

42398826321285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42398826321285 is a deficient number, since it is larger than the sum of its proper divisors (41591229630075).

42398826321285 is a wasteful number, since it uses less digits than its factorization.

42398826321285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134599448657 (or 134599448654 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 42398826321285 in words is "forty-two trillion, three hundred ninety-eight billion, eight hundred twenty-six million, three hundred twenty-one thousand, two hundred eighty-five".