40305049836 has 96 divisors (see below), whose sum is σ = 97955682048. Its totient is φ = 12888099840.

The previous prime is 40305049817. The next prime is 40305049909. The reversal of 40305049836 is 63894050304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31414051 + ... + 31415333.

It is an arithmetic number, because the mean of its divisors is an integer number (1020371688).

Almost surely, 2^40305049836 is an apocalyptic number.

It is an amenable number.

40305049836 is an abundant number, since it is smaller than the sum of its proper divisors (57650632212).

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

40305049836 is a wasteful number, since it uses less digits than its factorization.

40305049836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 40305049836 in words is "forty billion, three hundred five million, forty-nine thousand, eight hundred thirty-six".