40651740251 has 8 divisors (see below), whose sum is σ = 41436801504. Its totient is φ = 39867347520.

The previous prime is 40651740223. The next prime is 40651740307. The reversal of 40651740251 is 15204715604.

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

It is a cyclic number.

It is not a de Polignac number, because 40651740251 - 2¹⁴ = 40651723867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40651740751) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43466 + ... + 288431.

It is an arithmetic number, because the mean of its divisors is an integer number (5179600188).

Almost surely, 2^40651740251 is an apocalyptic number.

40651740251 is a deficient number, since it is larger than the sum of its proper divisors (785061253).

40651740251 is a wasteful number, since it uses less digits than its factorization.

40651740251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334261.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 40651740251 in words is "forty billion, six hundred fifty-one million, seven hundred forty thousand, two hundred fifty-one".