40220203156 has 24 divisors (see below), whose sum is σ = 80475373440. Its totient is φ = 17229736992.

The previous prime is 40220203087. The next prime is 40220203159. The reversal of 40220203156 is 65130202204.

40220203156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40220203156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220203159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246400 + ... + 375703.

It is an arithmetic number, because the mean of its divisors is an integer number (3353140560).

Almost surely, 2^40220203156 is an apocalyptic number.

It is an amenable number.

40220203156 is an abundant number, since it is smaller than the sum of its proper divisors (40255170284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40220203156 is a wasteful number, since it uses less digits than its factorization.

40220203156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624423 (or 624421 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 40220203156 in words is "forty billion, two hundred twenty million, two hundred three thousand, one hundred fifty-six".