40231040442434 has 16 divisors (see below), whose sum is σ = 60412992032448. Its totient is φ = 20093379205872.

The previous prime is 40231040442409. The next prime is 40231040442479. The reversal of 40231040442434 is 43424404013204.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40231040442394 and 40231040442403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28659089 + ... + 30030075.

It is an arithmetic number, because the mean of its divisors is an integer number (3775812002028).

Almost surely, 2^{40231040442434} is an apocalyptic number.

40231040442434 is a deficient number, since it is larger than the sum of its proper divisors (20181951590014).

40231040442434 is a wasteful number, since it uses less digits than its factorization.

40231040442434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387129.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 40231040442434 its reverse (43424404013204), we get a palindrome (83655444455638).

The spelling of 40231040442434 in words is "forty trillion, two hundred thirty-one billion, forty million, four hundred forty-two thousand, four hundred thirty-four".