42531040395 has 48 divisors (see below), whose sum is σ = 76157632512. Its totient is φ = 21934463040.

The previous prime is 42531040381. The next prime is 42531040403. The reversal of 42531040395 is 59304013524.

42531040395 is a `hidden beast` number, since 4 + 253 + 10 + 4 + 0 + 395 = 666.

It is not a de Polignac number, because 42531040395 - 2⁷ = 42531040267 is a prime.

It is a super-2 number, since 2×42531040395² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1895814 + ... + 1918116.

It is an arithmetic number, because the mean of its divisors is an integer number (1586617344).

Almost surely, 2^42531040395 is an apocalyptic number.

42531040395 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42531040395 is a deficient number, since it is larger than the sum of its proper divisors (33626592117).

42531040395 is a wasteful number, since it uses less digits than its factorization.

42531040395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23712 (or 23709 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 42531040395 in words is "forty-two billion, five hundred thirty-one million, forty thousand, three hundred ninety-five".