156440102500000 has 384 divisors, whose sum is σ = 420470176718592. Its totient is φ = 56821920000000.

The previous prime is 156440102499953. The next prime is 156440102500007. The reversal of 156440102500000 is 5201044651.

It is not an unprimeable number, because it can be changed into a prime (156440102500007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28407497247 + ... + 28407502753.

It is an arithmetic number, because the mean of its divisors is an integer number (1094974418538).

Almost surely, 2^{156440102500000} is an apocalyptic number.

156440102500000 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 156440102500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210235088359296).

156440102500000 is an abundant number, since it is smaller than the sum of its proper divisors (264030074218592).

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

156440102500000 is an frugal number, since it uses more digits than its factorization.

156440102500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596 (or 6558 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 156440102500000 its reverse (5201044651), we get a palindrome (156445303544651).

The spelling of 156440102500000 in words is "one hundred fifty-six trillion, four hundred forty billion, one hundred two million, five hundred thousand".