40006266251 has 8 divisors (see below), whose sum is σ = 45722836704. Its totient is φ = 34290043200.

The previous prime is 40006266203. The next prime is 40006266253. The reversal of 40006266251 is 15266260004.

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

It is not a de Polignac number, because 40006266251 - 2¹⁰ = 40006265227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40006266253) 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, 243911 + ... + 373503.

It is an arithmetic number, because the mean of its divisors is an integer number (5715354588).

Almost surely, 2^40006266251 is an apocalyptic number.

40006266251 is a deficient number, since it is larger than the sum of its proper divisors (5716570453).

40006266251 is a wasteful number, since it uses less digits than its factorization.

40006266251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173701.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 40006266251 in words is "forty billion, six million, two hundred sixty-six thousand, two hundred fifty-one".