40055323534 has 16 divisors (see below), whose sum is σ = 63621990000. Its totient is φ = 18848168064.

The previous prime is 40055323531. The next prime is 40055323543. The reversal of 40055323534 is 43532355004.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 40055323534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40055323531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532492 + ... + 603040.

It is an arithmetic number, because the mean of its divisors is an integer number (3976374375).

Almost surely, 2^40055323534 is an apocalyptic number.

40055323534 is a deficient number, since it is larger than the sum of its proper divisors (23566666466).

40055323534 is a wasteful number, since it uses less digits than its factorization.

40055323534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87267.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 40055323534 its reverse (43532355004), we get a palindrome (83587678538).

The spelling of 40055323534 in words is "forty billion, fifty-five million, three hundred twenty-three thousand, five hundred thirty-four".