40215334534 has 8 divisors (see below), whose sum is σ = 61725862440. Its totient is φ = 19640047056.

The previous prime is 40215334483. The next prime is 40215334547. The reversal of 40215334534 is 43543351204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40215334534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233809999 + ... + 233810170.

It is an arithmetic number, because the mean of its divisors is an integer number (7715732805).

Almost surely, 2^40215334534 is an apocalyptic number.

40215334534 is a deficient number, since it is larger than the sum of its proper divisors (21510527906).

40215334534 is a wasteful number, since it uses less digits than its factorization.

40215334534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467620214.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 40215334534 its reverse (43543351204), we get a palindrome (83758685738).

The spelling of 40215334534 in words is "forty billion, two hundred fifteen million, three hundred thirty-four thousand, five hundred thirty-four".