156040560 has 160 divisors (see below), whose sum is σ = 578921280. Its totient is φ = 38403072.

The previous prime is 156040541. The next prime is 156040583. The reversal of 156040560 is 65040651.

It is a happy number.

156040560 is a `hidden beast` number, since 1 + 5 + 60 + 40 + 560 = 666.

It is a super-2 number, since 2×156040560² = 48697312730227200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25302 + ... + 30858.

It is an arithmetic number, because the mean of its divisors is an integer number (3618258).

Almost surely, 2^156040560 is an apocalyptic number.

156040560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156040560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289460640).

156040560 is an abundant number, since it is smaller than the sum of its proper divisors (422880720).

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

156040560 is a wasteful number, since it uses less digits than its factorization.

156040560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592 (or 5580 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 156040560 is about 12491.6195907496. The cubic root of 156040560 is about 538.3679116752.

Subtracting from 156040560 its reverse (65040651), we obtain a palindrome (90999909).

The spelling of 156040560 in words is "one hundred fifty-six million, forty thousand, five hundred sixty".