40042111015 has 8 divisors (see below), whose sum is σ = 50877035280. Its totient is φ = 30149354112.

The previous prime is 40042111007. The next prime is 40042111061. The reversal of 40042111015 is 51011124004.

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

It is a cyclic number.

It is not a de Polignac number, because 40042111015 - 2³ = 40042111007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40042110983 and 40042111001.

It is a congruent number.

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, 235541745 + ... + 235541914.

It is an arithmetic number, because the mean of its divisors is an integer number (6359629410).

Almost surely, 2^40042111015 is an apocalyptic number.

40042111015 is a deficient number, since it is larger than the sum of its proper divisors (10834924265).

40042111015 is a wasteful number, since it uses less digits than its factorization.

40042111015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471083681.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 40042111015 its reverse (51011124004), we get a palindrome (91053235019).

The spelling of 40042111015 in words is "forty billion, forty-two million, one hundred eleven thousand, fifteen".