40434002506042 has 4 divisors (see below), whose sum is σ = 60651003759066. Its totient is φ = 20217001253020.

The previous prime is 40434002506021. The next prime is 40434002506099. The reversal of 40434002506042 is 24060520043404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34964526912561 + 5469475593481 = 5913081^2 + 2338691^2 .

It is a super-2 number, since 2×40434002506042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40434002505989 and 40434002506007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10108500626509 + ... + 10108500626512.

Almost surely, 2^{40434002506042} is an apocalyptic number.

40434002506042 is a deficient number, since it is larger than the sum of its proper divisors (20217001253024).

40434002506042 is a wasteful number, since it uses less digits than its factorization.

40434002506042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20217001253023.

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

Adding to 40434002506042 its reverse (24060520043404), we get a palindrome (64494522549446).

The spelling of 40434002506042 in words is "forty trillion, four hundred thirty-four billion, two million, five hundred six thousand, forty-two".