40144347042 has 16 divisors (see below), whose sum is σ = 80309228160. Its totient is φ = 13378026672.

The previous prime is 40144347037. The next prime is 40144347101. The reversal of 40144347042 is 24074344104.

It is a super-2 number, since 2×40144347042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40144346994 and 40144347012.

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 7 ways as a sum of consecutive naturals, for example, 830113 + ... + 877140.

It is an arithmetic number, because the mean of its divisors is an integer number (5019326760).

Almost surely, 2^40144347042 is an apocalyptic number.

40144347042 is an abundant number, since it is smaller than the sum of its proper divisors (40164881118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40144347042 is a wasteful number, since it uses less digits than its factorization.

40144347042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711177.

The product of its (nonzero) digits is 43008, while the sum is 33.

The spelling of 40144347042 in words is "forty billion, one hundred forty-four million, three hundred forty-seven thousand, forty-two".