40233343144420 has 48 divisors (see below), whose sum is σ = 84676733185968. Its totient is φ = 16057775797760.

The previous prime is 40233343144417. The next prime is 40233343144433. The reversal of 40233343144420 is 2444134333204.

It can be written as a sum of positive squares in 8 ways, for example, as 11625222138084 + 28608121006336 = 3409578^2 + 5348656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40233343144420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272589282 + ... + 272736838.

It is an arithmetic number, because the mean of its divisors is an integer number (1764098608041).

Almost surely, 2^{40233343144420} is an apocalyptic number.

It is an amenable number.

40233343144420 is an abundant number, since it is smaller than the sum of its proper divisors (44443390041548).

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

40233343144420 is a wasteful number, since it uses less digits than its factorization.

40233343144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177600 (or 177598 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 40233343144420 its reverse (2444134333204), we get a palindrome (42677477477624).

The spelling of 40233343144420 in words is "forty trillion, two hundred thirty-three billion, three hundred forty-three million, one hundred forty-four thousand, four hundred twenty".