40220560623 has 16 divisors (see below), whose sum is σ = 56248657920. Its totient is φ = 25533923616.

The previous prime is 40220560619. The next prime is 40220560643. The reversal of 40220560623 is 32606502204.

It is not a de Polignac number, because 40220560623 - 2² = 40220560619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220560643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3849543 + ... + 3859976.

It is an arithmetic number, because the mean of its divisors is an integer number (3515541120).

Almost surely, 2^40220560623 is an apocalyptic number.

40220560623 is a deficient number, since it is larger than the sum of its proper divisors (16028097297).

40220560623 is a wasteful number, since it uses less digits than its factorization.

40220560623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709606.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 40220560623 in words is "forty billion, two hundred twenty million, five hundred sixty thousand, six hundred twenty-three".