156441304040 has 32 divisors (see below), whose sum is σ = 402277639680. Its totient is φ = 53637018432.

The previous prime is 156441304037. The next prime is 156441304043. The reversal of 156441304040 is 40403144651.

It is an interprime number because it is at equal distance from previous prime (156441304037) and next prime (156441304043).

It is a junction number, because it is equal to n+sod(n) for n = 156441303988 and 156441304006.

It is not an unprimeable number, because it can be changed into a prime (156441304043) 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, 279359192 + ... + 279359751.

It is an arithmetic number, because the mean of its divisors is an integer number (12571176240).

Almost surely, 2^156441304040 is an apocalyptic number.

156441304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156441304040 is an abundant number, since it is smaller than the sum of its proper divisors (245836335640).

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

156441304040 is a wasteful number, since it uses less digits than its factorization.

156441304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558718961 (or 558718957 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 156441304040 its reverse (40403144651), we get a palindrome (196844448691).

The spelling of 156441304040 in words is "one hundred fifty-six billion, four hundred forty-one million, three hundred four thousand, forty".