40240034220 has 48 divisors (see below), whose sum is σ = 116306684928. Its totient is φ = 10384524480.

The previous prime is 40240034213. The next prime is 40240034239. The reversal of 40240034220 is 2243004204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10815354 + ... + 10819073.

It is an arithmetic number, because the mean of its divisors is an integer number (2423055936).

Almost surely, 2^40240034220 is an apocalyptic number.

It is an amenable number.

40240034220 is an abundant number, since it is smaller than the sum of its proper divisors (76066650708).

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

40240034220 is a wasteful number, since it uses less digits than its factorization.

40240034220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21634470 (or 21634468 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 40240034220 its reverse (2243004204), we get a palindrome (42483038424).

The spelling of 40240034220 in words is "forty billion, two hundred forty million, thirty-four thousand, two hundred twenty".