40433401220 has 12 divisors (see below), whose sum is σ = 84910142604. Its totient is φ = 16173360480.

The previous prime is 40433401207. The next prime is 40433401271. The reversal of 40433401220 is 2210433404.

It can be written as a sum of positive squares in 2 ways, for example, as 5566055236 + 34867345984 = 74606^2 + 186728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010835011 + ... + 1010835050.

It is an arithmetic number, because the mean of its divisors is an integer number (7075845217).

Almost surely, 2^40433401220 is an apocalyptic number.

It is an amenable number.

40433401220 is an abundant number, since it is smaller than the sum of its proper divisors (44476741384).

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

40433401220 is a wasteful number, since it uses less digits than its factorization.

40433401220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021670070 (or 2021670068 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40433401220 its reverse (2210433404), we get a palindrome (42643834624).

The spelling of 40433401220 in words is "forty billion, four hundred thirty-three million, four hundred one thousand, two hundred twenty".