40000344500430 has 48 divisors (see below), whose sum is σ = 104075235482400. Its totient is φ = 10659133940544.

The previous prime is 40000344500407. The next prime is 40000344500503. The reversal of 40000344500430 is 3400544300004.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40000344500394 and 40000344500403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158719077 + ... + 158970896.

It is an arithmetic number, because the mean of its divisors is an integer number (2168234072550).

Almost surely, 2^{40000344500430} is an apocalyptic number.

40000344500430 is an abundant number, since it is smaller than the sum of its proper divisors (64074890981970).

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

40000344500430 is a wasteful number, since it uses less digits than its factorization.

40000344500430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317691385 (or 317691382 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 40000344500430 its reverse (3400544300004), we get a palindrome (43400888800434).

The spelling of 40000344500430 in words is "forty trillion, three hundred forty-four million, five hundred thousand, four hundred thirty".