40424231442 has 32 divisors (see below), whose sum is σ = 93010166784. Its totient is φ = 11473290000.

The previous prime is 40424231437. The next prime is 40424231453. The reversal of 40424231442 is 24413242404.

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, 3180684 + ... + 3193367.

It is an arithmetic number, because the mean of its divisors is an integer number (2906567712).

Almost surely, 2^40424231442 is an apocalyptic number.

40424231442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40424231442 is an abundant number, since it is smaller than the sum of its proper divisors (52585935342).

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

40424231442 is a wasteful number, since it uses less digits than its factorization.

40424231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374214.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 40424231442 its reverse (24413242404), we get a palindrome (64837473846).

The spelling of 40424231442 in words is "forty billion, four hundred twenty-four million, two hundred thirty-one thousand, four hundred forty-two".