40620526321 has 4 divisors (see below), whose sum is σ = 40628676592. Its totient is φ = 40612376052.

The previous prime is 40620526307. The next prime is 40620526327. The reversal of 40620526321 is 12362502604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40620526321 - 2²¹ = 40618429169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40620526327) 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 3 ways as a sum of consecutive naturals, for example, 4067655 + ... + 4077628.

It is an arithmetic number, because the mean of its divisors is an integer number (10157169148).

Almost surely, 2^40620526321 is an apocalyptic number.

It is an amenable number.

40620526321 is a deficient number, since it is larger than the sum of its proper divisors (8150271).

40620526321 is an equidigital number, since it uses as much as digits as its factorization.

40620526321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150270.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 40620526321 in words is "forty billion, six hundred twenty million, five hundred twenty-six thousand, three hundred twenty-one".