40310011220 has 24 divisors (see below), whose sum is σ = 85014342504. Its totient is φ = 16054800896.

The previous prime is 40310011187. The next prime is 40310011229. The reversal of 40310011220 is 2211001304.

40310011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5714755216 + 34595256004 = 75596^2 + 185998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40310011195 and 40310011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310011229) 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, 4320449 + ... + 4329768.

It is an arithmetic number, because the mean of its divisors is an integer number (3542264271).

Almost surely, 2^40310011220 is an apocalyptic number.

It is an amenable number.

40310011220 is an abundant number, since it is smaller than the sum of its proper divisors (44704331284).

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

40310011220 is a wasteful number, since it uses less digits than its factorization.

40310011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8650459 (or 8650457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 40310011220 its reverse (2211001304), we get a palindrome (42521012524).

The spelling of 40310011220 in words is "forty billion, three hundred ten million, eleven thousand, two hundred twenty".