149720550000 has 240 divisors, whose sum is σ = 552508637184. Its totient is φ = 34221600000.

The previous prime is 149720549989. The next prime is 149720550029. The reversal of 149720550000 is 55027941.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 978705 + ... + 1121295.

Almost surely, 2^149720550000 is an apocalyptic number.

149720550000 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 149720550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276254318592).

149720550000 is an abundant number, since it is smaller than the sum of its proper divisors (402788087184).

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

149720550000 is an equidigital number, since it uses as much as digits as its factorization.

149720550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142634 (or 142608 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 149720550000 its reverse (55027941), we get a palindrome (149775577941).

The spelling of 149720550000 in words is "one hundred forty-nine billion, seven hundred twenty million, five hundred fifty thousand".