40727851650 has 96 divisors (see below), whose sum is σ = 112525387200. Its totient is φ = 10831968000.

The previous prime is 40727851649. The next prime is 40727851669. The reversal of 40727851650 is 5615872704.

40727851650 is a `hidden beast` number, since 407 + 2 + 7 + 85 + 165 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 40727851596 and 40727851605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471850 + ... + 551450.

It is an arithmetic number, because the mean of its divisors is an integer number (1172139450).

Almost surely, 2^40727851650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40727851650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56262693600).

40727851650 is an abundant number, since it is smaller than the sum of its proper divisors (71797535550).

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

40727851650 is a wasteful number, since it uses less digits than its factorization.

40727851650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80001 (or 79990 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 40727851650 in words is "forty billion, seven hundred twenty-seven million, eight hundred fifty-one thousand, six hundred fifty".