40620601607 has 4 divisors (see below), whose sum is σ = 41309086440. Its totient is φ = 39932116776.

The previous prime is 40620601573. The next prime is 40620601631. The reversal of 40620601607 is 70610602604.

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 40620601607 - 2²⁰ = 40619553031 is a prime.

It is a super-2 number, since 2×40620601607² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620609607) 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, 344242328 + ... + 344242445.

It is an arithmetic number, because the mean of its divisors is an integer number (10327271610).

Almost surely, 2^40620601607 is an apocalyptic number.

40620601607 is a deficient number, since it is larger than the sum of its proper divisors (688484833).

40620601607 is an equidigital number, since it uses as much as digits as its factorization.

40620601607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688484832.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 40620601607 in words is "forty billion, six hundred twenty million, six hundred one thousand, six hundred seven".