40532254031442 has 24 divisors (see below), whose sum is σ = 81381162298896. Its totient is φ = 13458180195328.

The previous prime is 40532254031389. The next prime is 40532254031443. The reversal of 40532254031442 is 24413045223504.

It is a self number, because there is not a number n which added to its sum of digits gives 40532254031442.

It is not an unprimeable number, because it can be changed into a prime (40532254031443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50742828 + ... + 51535415.

It is an arithmetic number, because the mean of its divisors is an integer number (3390881762454).

Almost surely, 2^{40532254031442} is an apocalyptic number.

40532254031442 is an abundant number, since it is smaller than the sum of its proper divisors (40848908267454).

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

40532254031442 is a wasteful number, since it uses less digits than its factorization.

40532254031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102278762 (or 102278505 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 40532254031442 its reverse (24413045223504), we get a palindrome (64945299254946).

The spelling of 40532254031442 in words is "forty trillion, five hundred thirty-two billion, two hundred fifty-four million, thirty-one thousand, four hundred forty-two".