40244847830 has 64 divisors (see below), whose sum is σ = 85936479552. Its totient is φ = 13401354240.

The previous prime is 40244847823. The next prime is 40244847913. The reversal of 40244847830 is 3874844204.

It is a Curzon number.

It is a congruent number.

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, 221639 + ... + 360018.

It is an arithmetic number, because the mean of its divisors is an integer number (1342757493).

Almost surely, 2^40244847830 is an apocalyptic number.

40244847830 is an abundant number, since it is smaller than the sum of its proper divisors (45691631722).

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

40244847830 is a wasteful number, since it uses less digits than its factorization.

40244847830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581729.

The product of its (nonzero) digits is 688128, while the sum is 44.

The spelling of 40244847830 in words is "forty billion, two hundred forty-four million, eight hundred forty-seven thousand, eight hundred thirty".