40043042334 has 32 divisors (see below), whose sum is σ = 89123005440. Its totient is φ = 13326910776.

The previous prime is 40043042311. The next prime is 40043042381. The reversal of 40043042334 is 43324034004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40043042298 and 40043042307.

It is a congruent number.

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, 541902 + ... + 611345.

It is an arithmetic number, because the mean of its divisors is an integer number (2785093920).

Almost surely, 2^40043042334 is an apocalyptic number.

40043042334 is an abundant number, since it is smaller than the sum of its proper divisors (49079963106).

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

40043042334 is a wasteful number, since it uses less digits than its factorization.

40043042334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153901 (or 1153895 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 40043042334 its reverse (43324034004), we get a palindrome (83367076338).

The spelling of 40043042334 in words is "forty billion, forty-three million, forty-two thousand, three hundred thirty-four".