42440533351 has 8 divisors (see below), whose sum is σ = 42479575920. Its totient is φ = 42401513088.

The previous prime is 42440533349. The next prime is 42440533357. The reversal of 42440533351 is 15333504424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42440533351 - 2¹ = 42440533349 is a prime.

It is a super-2 number, since 2×42440533351² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440533357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8009535 + ... + 8014831.

It is an arithmetic number, because the mean of its divisors is an integer number (5309946990).

Almost surely, 2^42440533351 is an apocalyptic number.

42440533351 is a deficient number, since it is larger than the sum of its proper divisors (39042569).

42440533351 is a wasteful number, since it uses less digits than its factorization.

42440533351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11153.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 42440533351 in words is "forty-two billion, four hundred forty million, five hundred thirty-three thousand, three hundred fifty-one".