40042000400024 has 16 divisors (see below), whose sum is σ = 85804286571600. Its totient is φ = 17160857314272.

The previous prime is 40042000400023. The next prime is 40042000400117. The reversal of 40042000400024 is 42000400024004.

It is a junction number, because it is equal to n+sod(n) for n = 40042000399969 and 40042000400005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042000400023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357517860659 + ... + 357517860770.

It is an arithmetic number, because the mean of its divisors is an integer number (5362767910725).

Almost surely, 2^{40042000400024} is an apocalyptic number.

It is an amenable number.

40042000400024 is an abundant number, since it is smaller than the sum of its proper divisors (45762286171576).

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

40042000400024 is a wasteful number, since it uses less digits than its factorization.

40042000400024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715035721442 (or 715035721438 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40042000400024 its reverse (42000400024004), we get a palindrome (82042400424028).

The spelling of 40042000400024 in words is "forty trillion, forty-two billion, four hundred thousand, twenty-four".