40727806251 has 8 divisors (see below), whose sum is σ = 59240445504. Its totient is φ = 24683518920.

The previous prime is 40727806237. The next prime is 40727806267. The reversal of 40727806251 is 15260872704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40727806251 - 2¹⁹ = 40727281963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40727806211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617087941 + ... + 617088006.

It is an arithmetic number, because the mean of its divisors is an integer number (7405055688).

Almost surely, 2^40727806251 is an apocalyptic number.

40727806251 is a deficient number, since it is larger than the sum of its proper divisors (18512639253).

40727806251 is a wasteful number, since it uses less digits than its factorization.

40727806251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234175961.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 40727806251 in words is "forty billion, seven hundred twenty-seven million, eight hundred six thousand, two hundred fifty-one".