40002541504 has 28 divisors (see below), whose sum is σ = 81316147248. Its totient is φ = 19513433600.

The previous prime is 40002541487. The next prime is 40002541529. The reversal of 40002541504 is 40514520004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7619812 + ... + 7625059.

It is an arithmetic number, because the mean of its divisors is an integer number (2904148116).

Almost surely, 2^40002541504 is an apocalyptic number.

It is an amenable number.

40002541504 is an abundant number, since it is smaller than the sum of its proper divisors (41313605744).

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

40002541504 is a wasteful number, since it uses less digits than its factorization.

40002541504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244924 (or 15244914 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 40002541504 in words is "forty billion, two million, five hundred forty-one thousand, five hundred four".