40847823720 has 768 divisors, whose sum is σ = 161129606400. Its totient is φ = 9278945280.

The previous prime is 40847823701. The next prime is 40847823761. The reversal of 40847823720 is 2732874804.

40847823720 is a `hidden beast` number, since 408 + 4 + 7 + 8 + 237 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 179946247 + ... + 179946473.

It is an arithmetic number, because the mean of its divisors is an integer number (209804175).

Almost surely, 2^40847823720 is an apocalyptic number.

40847823720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40847823720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80564803200).

40847823720 is an abundant number, since it is smaller than the sum of its proper divisors (120281782680).

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

40847823720 is a wasteful number, since it uses less digits than its factorization.

40847823720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 40847823720 in words is "forty billion, eight hundred forty-seven million, eight hundred twenty-three thousand, seven hundred twenty".