40404222324420 has 96 divisors (see below), whose sum is σ = 120008054307456. Its totient is φ = 10121923123200.

The previous prime is 40404222324409. The next prime is 40404222324439. The reversal of 40404222324420 is 2442322240404.

It is a happy number.

It is a super-4 number, since 4×40404222324420⁴ (a number of 56 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36058146 + ... + 37161785.

It is an arithmetic number, because the mean of its divisors is an integer number (1250083899036).

Almost surely, 2^{40404222324420} is an apocalyptic number.

It is an amenable number.

40404222324420 is an abundant number, since it is smaller than the sum of its proper divisors (79603831983036).

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

40404222324420 is a wasteful number, since it uses less digits than its factorization.

40404222324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73220501 (or 73220499 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 40404222324420 its reverse (2442322240404), we get a palindrome (42846544564824).

The spelling of 40404222324420 in words is "forty trillion, four hundred four billion, two hundred twenty-two million, three hundred twenty-four thousand, four hundred twenty".