40434244042 has 32 divisors (see below), whose sum is σ = 61937680320. Its totient is φ = 19792851840.

The previous prime is 40434244001. The next prime is 40434244057. The reversal of 40434244042 is 24044243404.

It is a junction number, because it is equal to n+sod(n) for n = 40434243995 and 40434244013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25737117 + ... + 25738687.

It is an arithmetic number, because the mean of its divisors is an integer number (1935552510).

Almost surely, 2^40434244042 is an apocalyptic number.

40434244042 is a deficient number, since it is larger than the sum of its proper divisors (21503436278).

40434244042 is a wasteful number, since it uses less digits than its factorization.

40434244042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 40434244042 its reverse (24044243404), we get a palindrome (64478487446).

The spelling of 40434244042 in words is "forty billion, four hundred thirty-four million, two hundred forty-four thousand, forty-two".