40230451242 has 48 divisors (see below), whose sum is σ = 90975044160. Its totient is φ = 12824387136.

The previous prime is 40230451237. The next prime is 40230451291. The reversal of 40230451242 is 24215403204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3044173 + ... + 3057359.

It is an arithmetic number, because the mean of its divisors is an integer number (1895313420).

Almost surely, 2^40230451242 is an apocalyptic number.

40230451242 is an abundant number, since it is smaller than the sum of its proper divisors (50744592918).

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

40230451242 is a wasteful number, since it uses less digits than its factorization.

40230451242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20587 (or 20584 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 40230451242 its reverse (24215403204), we get a palindrome (64445854446).

The spelling of 40230451242 in words is "forty billion, two hundred thirty million, four hundred fifty-one thousand, two hundred forty-two".