40234031442 has 48 divisors (see below), whose sum is σ = 98166332160. Its totient is φ = 11798834400.

The previous prime is 40234031437. The next prime is 40234031459. The reversal of 40234031442 is 24413043204.

It is a happy number.

40234031442 is a `hidden beast` number, since 4 + 0 + 2 + 340 + 314 + 4 + 2 = 666.

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, 3271317 + ... + 3283592.

It is an arithmetic number, because the mean of its divisors is an integer number (2045131920).

Almost surely, 2^40234031442 is an apocalyptic number.

40234031442 is an abundant number, since it is smaller than the sum of its proper divisors (57932300718).

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

40234031442 is a wasteful number, since it uses less digits than its factorization.

40234031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554959 (or 6554956 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40234031442 its reverse (24413043204), we get a palindrome (64647074646).

The spelling of 40234031442 in words is "forty billion, two hundred thirty-four million, thirty-one thousand, four hundred forty-two".