40232121042 has 32 divisors (see below), whose sum is σ = 83978167680. Its totient is φ = 12825267840.

The previous prime is 40232121023. The next prime is 40232121107. The reversal of 40232121042 is 24012123204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820884 + ... + 868512.

It is an arithmetic number, because the mean of its divisors is an integer number (2624317740).

Almost surely, 2^40232121042 is an apocalyptic number.

40232121042 is an abundant number, since it is smaller than the sum of its proper divisors (43746046638).

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

40232121042 is a wasteful number, since it uses less digits than its factorization.

40232121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53778.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40232121042 its reverse (24012123204), we get a palindrome (64244244246).

The spelling of 40232121042 in words is "forty billion, two hundred thirty-two million, one hundred twenty-one thousand, forty-two".