40442123351 has 8 divisors (see below), whose sum is σ = 46222049280. Its totient is φ = 34662817368.

The previous prime is 40442123339. The next prime is 40442123377. The reversal of 40442123351 is 15332124404.

40442123351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40442123351 - 2²⁶ = 40375014487 is a prime.

It is a super-2 number, since 2×40442123351² (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 (40442123311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5591 + ... + 284456.

It is an arithmetic number, because the mean of its divisors is an integer number (5777756160).

Almost surely, 2^40442123351 is an apocalyptic number.

40442123351 is a deficient number, since it is larger than the sum of its proper divisors (5779925929).

40442123351 is a wasteful number, since it uses less digits than its factorization.

40442123351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309973.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 40442123351 its reverse (15332124404), we get a palindrome (55774247755).

The spelling of 40442123351 in words is "forty billion, four hundred forty-two million, one hundred twenty-three thousand, three hundred fifty-one".