42398022735 has 24 divisors (see below), whose sum is σ = 73541445120. Its totient is φ = 22596420672.

The previous prime is 42398022731. The next prime is 42398022757. The reversal of 42398022735 is 53722089324.

42398022735 is a `hidden beast` number, since 4 + 2 + 398 + 0 + 227 + 35 = 666.

It is not a de Polignac number, because 42398022735 - 2² = 42398022731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42398022731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265359 + ... + 393968.

It is an arithmetic number, because the mean of its divisors is an integer number (3064226880).

Almost surely, 2^42398022735 is an apocalyptic number.

42398022735 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42398022735 is a deficient number, since it is larger than the sum of its proper divisors (31143422385).

42398022735 is a wasteful number, since it uses less digits than its factorization.

42398022735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660767 (or 660764 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 42398022735 in words is "forty-two billion, three hundred ninety-eight million, twenty-two thousand, seven hundred thirty-five".