40051510616 has 16 divisors (see below), whose sum is σ = 80873242800. Its totient is φ = 18485312544.

The previous prime is 40051510573. The next prime is 40051510627. The reversal of 40051510616 is 61601515004.

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, 192555236 + ... + 192555443.

It is an arithmetic number, because the mean of its divisors is an integer number (5054577675).

Almost surely, 2^40051510616 is an apocalyptic number.

It is an amenable number.

40051510616 is an abundant number, since it is smaller than the sum of its proper divisors (40821732184).

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

40051510616 is a wasteful number, since it uses less digits than its factorization.

40051510616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385110698 (or 385110694 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 40051510616 in words is "forty billion, fifty-one million, five hundred ten thousand, six hundred sixteen".