40223431342 has 32 divisors (see below), whose sum is σ = 63085210560. Its totient is φ = 19216834560.

The previous prime is 40223431337. The next prime is 40223431387. The reversal of 40223431342 is 24313432204.

40223431342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40223431342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335384 + ... + 1365172.

It is an arithmetic number, because the mean of its divisors is an integer number (1971412830).

Almost surely, 2^40223431342 is an apocalyptic number.

40223431342 is a deficient number, since it is larger than the sum of its proper divisors (22861779218).

40223431342 is a wasteful number, since it uses less digits than its factorization.

40223431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30156.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40223431342 its reverse (24313432204), we get a palindrome (64536863546).

The spelling of 40223431342 in words is "forty billion, two hundred twenty-three million, four hundred thirty-one thousand, three hundred forty-two".