40240144342 has 8 divisors (see below), whose sum is σ = 61187069016. Its totient is φ = 19844454672.

The previous prime is 40240144337. The next prime is 40240144369. The reversal of 40240144342 is 24344104204.

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

It is a super-2 number, since 2×40240144342² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40240144342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137808568 + ... + 137808859.

It is an arithmetic number, because the mean of its divisors is an integer number (7648383627).

Almost surely, 2^40240144342 is an apocalyptic number.

40240144342 is a deficient number, since it is larger than the sum of its proper divisors (20946924674).

40240144342 is a wasteful number, since it uses less digits than its factorization.

40240144342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275617502.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40240144342 its reverse (24344104204), we get a palindrome (64584248546).

The spelling of 40240144342 in words is "forty billion, two hundred forty million, one hundred forty-four thousand, three hundred forty-two".