40310252220 has 96 divisors (see below), whose sum is σ = 129026128896. Its totient is φ = 9211392000.

The previous prime is 40310252207. The next prime is 40310252221. The reversal of 40310252220 is 2225201304.

40310252220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310252221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2006425 + ... + 2026415.

It is an arithmetic number, because the mean of its divisors is an integer number (1344022176).

Almost surely, 2^40310252220 is an apocalyptic number.

It is an amenable number.

40310252220 is an abundant number, since it is smaller than the sum of its proper divisors (88715876676).

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

40310252220 is a wasteful number, since it uses less digits than its factorization.

40310252220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24811 (or 24809 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 40310252220 its reverse (2225201304), we get a palindrome (42535453524).

The spelling of 40310252220 in words is "forty billion, three hundred ten million, two hundred fifty-two thousand, two hundred twenty".