40310233042 has 4 divisors (see below), whose sum is σ = 60465349566. Its totient is φ = 20155116520.

The previous prime is 40310233027. The next prime is 40310233081. The reversal of 40310233042 is 24033201304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37195365321 + 3114867721 = 192861^2 + 55811^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10077558259 + ... + 10077558262.

Almost surely, 2^40310233042 is an apocalyptic number.

40310233042 is a deficient number, since it is larger than the sum of its proper divisors (20155116524).

40310233042 is a wasteful number, since it uses less digits than its factorization.

40310233042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20155116523.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 40310233042 its reverse (24033201304), we get a palindrome (64343434346).

The spelling of 40310233042 in words is "forty billion, three hundred ten million, two hundred thirty-three thousand, forty-two".