40430250431044 has 6 divisors (see below), whose sum is σ = 70752938254334. Its totient is φ = 20215125215520.

The previous prime is 40430250431027. The next prime is 40430250431047. The reversal of 40430250431044 is 44013405203404.

It can be written as a sum of positive squares in only one way, i.e., 33520765042944 + 6909485388100 = 5789712^2 + 2628590^2 .

It is not an unprimeable number, because it can be changed into a prime (40430250431047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053781303877 + ... + 5053781303884.

Almost surely, 2^{40430250431044} is an apocalyptic number.

It is an amenable number.

40430250431044 is a deficient number, since it is larger than the sum of its proper divisors (30322687823290).

40430250431044 is a wasteful number, since it uses less digits than its factorization.

40430250431044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107562607765 (or 10107562607763 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 40430250431044 its reverse (44013405203404), we get a palindrome (84443655634448).

The spelling of 40430250431044 in words is "forty trillion, four hundred thirty billion, two hundred fifty million, four hundred thirty-one thousand, forty-four".