40032435142542 has 16 divisors (see below), whose sum is σ = 80152757091072. Its totient is φ = 13329497246520.

The previous prime is 40032435142451. The next prime is 40032435142543. The reversal of 40032435142542 is 24524153423004.

It is a self number, because there is not a number n which added to its sum of digits gives 40032435142542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032435142543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3661944328 + ... + 3661955259.

It is an arithmetic number, because the mean of its divisors is an integer number (5009547318192).

Almost surely, 2^{40032435142542} is an apocalyptic number.

40032435142542 is an abundant number, since it is smaller than the sum of its proper divisors (40120321948530).

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

40032435142542 is a wasteful number, since it uses less digits than its factorization.

40032435142542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323900503.

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

Adding to 40032435142542 its reverse (24524153423004), we get a palindrome (64556588565546).

The spelling of 40032435142542 in words is "forty trillion, thirty-two billion, four hundred thirty-five million, one hundred forty-two thousand, five hundred forty-two".