40100005220 has 48 divisors (see below), whose sum is σ = 93123934848. Its totient is φ = 14382063360.

The previous prime is 40100005207. The next prime is 40100005243. The reversal of 40100005220 is 2250000104.

It is a junction number, because it is equal to n+sod(n) for n = 40100005195 and 40100005204.

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, 1232384 + ... + 1264503.

It is an arithmetic number, because the mean of its divisors is an integer number (1940081976).

Almost surely, 2^40100005220 is an apocalyptic number.

It is an amenable number.

40100005220 is an abundant number, since it is smaller than the sum of its proper divisors (53023929628).

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

40100005220 is a wasteful number, since it uses less digits than its factorization.

40100005220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496980 (or 2496978 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 40100005220 its reverse (2250000104), we get a palindrome (42350005324).

The spelling of 40100005220 in words is "forty billion, one hundred million, five thousand, two hundred twenty".