156040404047 has 8 divisors (see below), whose sum is σ = 170975791872. Its totient is φ = 141229999000.

The previous prime is 156040404019. The next prime is 156040404097. The reversal of 156040404047 is 740404040651.

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 156040404047 - 2¹⁶ = 156040338511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156040403998 and 156040404016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156040404097) 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, 31243079 + ... + 31248072.

It is an arithmetic number, because the mean of its divisors is an integer number (21371973984).

Almost surely, 2^156040404047 is an apocalyptic number.

156040404047 is a deficient number, since it is larger than the sum of its proper divisors (14935387825).

156040404047 is a wasteful number, since it uses less digits than its factorization.

156040404047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62491389.

The product of its (nonzero) digits is 53760, while the sum is 35.

Multiplying 156040404047 by its sum of digits (35), we get a palindrome (5461414141645).

Adding to 156040404047 its reverse (740404040651), we get a palindrome (896444444698).

The spelling of 156040404047 in words is "one hundred fifty-six billion, forty million, four hundred four thousand, forty-seven".