40550312442 has 32 divisors (see below), whose sum is σ = 82089028800. Its totient is φ = 13352643200.

The previous prime is 40550312437. The next prime is 40550312471. The reversal of 40550312442 is 24421305504.

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, 192934 + ... + 343982.

It is an arithmetic number, because the mean of its divisors is an integer number (2565282150).

Almost surely, 2^40550312442 is an apocalyptic number.

40550312442 is an abundant number, since it is smaller than the sum of its proper divisors (41538716358).

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

40550312442 is a wasteful number, since it uses less digits than its factorization.

40550312442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151598.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40550312442 its reverse (24421305504), we get a palindrome (64971617946).

The spelling of 40550312442 in words is "forty billion, five hundred fifty million, three hundred twelve thousand, four hundred forty-two".