40620504047 has 4 divisors (see below), whose sum is σ = 40621154640. Its totient is φ = 40619853456.

The previous prime is 40620503981. The next prime is 40620504091. The reversal of 40620504047 is 74040502604.

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 40620504047 - 2²⁸ = 40352068591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620504097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220358 + ... + 360275.

It is an arithmetic number, because the mean of its divisors is an integer number (10155288660).

Almost surely, 2^40620504047 is an apocalyptic number.

40620504047 is a deficient number, since it is larger than the sum of its proper divisors (650593).

40620504047 is an equidigital number, since it uses as much as digits as its factorization.

40620504047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650592.

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 40620504047 in words is "forty billion, six hundred twenty million, five hundred four thousand, forty-seven".