40000581053502 has 32 divisors (see below), whose sum is σ = 84214456773120. Its totient is φ = 12631356360000.

The previous prime is 40000581053467. The next prime is 40000581053551. The reversal of 40000581053502 is 20535018500004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068374 + ... + 9180377.

It is an arithmetic number, because the mean of its divisors is an integer number (2631701774160).

Almost surely, 2^{40000581053502} is an apocalyptic number.

40000581053502 is an abundant number, since it is smaller than the sum of its proper divisors (44213875719618).

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

40000581053502 is a wasteful number, since it uses less digits than its factorization.

40000581053502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279968.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 40000581053502 its reverse (20535018500004), we get a palindrome (60535599553506).

The spelling of 40000581053502 in words is "forty trillion, five hundred eighty-one million, fifty-three thousand, five hundred two".