40244221430220 has 48 divisors (see below), whose sum is σ = 118614547376640. Its totient is φ = 10166961203136.

The previous prime is 40244221430219. The next prime is 40244221430233. The reversal of 40244221430220 is 2203412244204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 17650973172 + ... + 17650975451.

It is an arithmetic number, because the mean of its divisors is an integer number (2471136403680).

Almost surely, 2^{40244221430220} is an apocalyptic number.

It is an amenable number.

40244221430220 is an abundant number, since it is smaller than the sum of its proper divisors (78370325946420).

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

40244221430220 is a wasteful number, since it uses less digits than its factorization.

40244221430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35301948654 (or 35301948652 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 40244221430220 its reverse (2203412244204), we get a palindrome (42447633674424).

The spelling of 40244221430220 in words is "forty trillion, two hundred forty-four billion, two hundred twenty-one million, four hundred thirty thousand, two hundred twenty".