40038786284 has 48 divisors (see below), whose sum is σ = 80754273600. Its totient is φ = 17015028480.

The previous prime is 40038786247. The next prime is 40038786301. The reversal of 40038786284 is 48268783004.

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, 1757414 + ... + 1780050.

It is an arithmetic number, because the mean of its divisors is an integer number (1682380700).

Almost surely, 2^40038786284 is an apocalyptic number.

It is an amenable number.

40038786284 is an abundant number, since it is smaller than the sum of its proper divisors (40715487316).

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

40038786284 is a wasteful number, since it uses less digits than its factorization.

40038786284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23178 (or 23176 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 40038786284 in words is "forty billion, thirty-eight million, seven hundred eighty-six thousand, two hundred eighty-four".