40125034220 has 48 divisors (see below), whose sum is σ = 85082659200. Its totient is φ = 15893971200.

The previous prime is 40125034189. The next prime is 40125034237. The reversal of 40125034220 is 2243052104.

It is a happy number.

It is a super-2 number, since 2×40125034220² (a number of 22 digits) contains 22 as substring.

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, 5121266 + ... + 5129094.

It is an arithmetic number, because the mean of its divisors is an integer number (1772555400).

Almost surely, 2^40125034220 is an apocalyptic number.

It is an amenable number.

40125034220 is an abundant number, since it is smaller than the sum of its proper divisors (44957624980).

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

40125034220 is a wasteful number, since it uses less digits than its factorization.

40125034220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298 (or 10296 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 40125034220 its reverse (2243052104), we get a palindrome (42368086324).

The spelling of 40125034220 in words is "forty billion, one hundred twenty-five million, thirty-four thousand, two hundred twenty".