40285904671650 has 48 divisors (see below), whose sum is σ = 108991683916128. Its totient is φ = 9766279920000.

The previous prime is 40285904671619. The next prime is 40285904671669. The reversal of 40285904671650 is 5617640958204.

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, 12207848251 + ... + 12207851550.

It is an arithmetic number, because the mean of its divisors is an integer number (2270660081586).

Almost surely, 2^{40285904671650} is an apocalyptic number.

40285904671650 is an abundant number, since it is smaller than the sum of its proper divisors (68705779244478).

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

40285904671650 is a wasteful number, since it uses less digits than its factorization.

40285904671650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24415699827 (or 24415699822 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 40285904671650 in words is "forty trillion, two hundred eighty-five billion, nine hundred four million, six hundred seventy-one thousand, six hundred fifty".