40426670971 has 4 divisors (see below), whose sum is σ = 41089403344. Its totient is φ = 39763938600.

The previous prime is 40426670951. The next prime is 40426670987. The reversal of 40426670971 is 17907662404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40426670971 - 2¹⁷ = 40426539899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40426670951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331366095 + ... + 331366216.

It is an arithmetic number, because the mean of its divisors is an integer number (10272350836).

Almost surely, 2^40426670971 is an apocalyptic number.

40426670971 is a deficient number, since it is larger than the sum of its proper divisors (662732373).

40426670971 is an equidigital number, since it uses as much as digits as its factorization.

40426670971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662732372.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 40426670971 in words is "forty billion, four hundred twenty-six million, six hundred seventy thousand, nine hundred seventy-one".