40320412042 has 8 divisors (see below), whose sum is σ = 62115229476. Its totient is φ = 19615335552.

The previous prime is 40320412019. The next prime is 40320412081. The reversal of 40320412042 is 24021402304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31297501921 + 9022910121 = 176911^2 + 94989^2 .

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

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, 272435143 + ... + 272435290.

Almost surely, 2^40320412042 is an apocalyptic number.

40320412042 is a deficient number, since it is larger than the sum of its proper divisors (21794817434).

40320412042 is a wasteful number, since it uses less digits than its factorization.

40320412042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544870472.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40320412042 its reverse (24021402304), we get a palindrome (64341814346).

The spelling of 40320412042 in words is "forty billion, three hundred twenty million, four hundred twelve thousand, forty-two".