40435216516 has 72 divisors (see below), whose sum is σ = 78564689280. Its totient is φ = 18171445248.

The previous prime is 40435216487. The next prime is 40435216553. The reversal of 40435216516 is 61561253404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30655305 + ... + 30656623.

It is an arithmetic number, because the mean of its divisors is an integer number (1091176240).

Almost surely, 2^40435216516 is an apocalyptic number.

40435216516 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40435216516 is a deficient number, since it is larger than the sum of its proper divisors (38129472764).

40435216516 is a wasteful number, since it uses less digits than its factorization.

40435216516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 40435216516 in words is "forty billion, four hundred thirty-five million, two hundred sixteen thousand, five hundred sixteen".