149289418560 has 112 divisors (see below), whose sum is σ = 475883093952. Its totient is φ = 39651840000.

The previous prime is 149289418457. The next prime is 149289418639. The reversal of 149289418560 is 65814982941.

It is a self number, because there is not a number n which added to its sum of digits gives 149289418560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68821 + ... + 550740.

It is an arithmetic number, because the mean of its divisors is an integer number (4248956196).

Almost surely, 2^149289418560 is an apocalyptic number.

149289418560 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 149289418560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237941546976).

149289418560 is an abundant number, since it is smaller than the sum of its proper divisors (326593675392).

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

149289418560 is a wasteful number, since it uses less digits than its factorization.

149289418560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619832 (or 619822 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 149289418560 in words is "one hundred forty-nine billion, two hundred eighty-nine million, four hundred eighteen thousand, five hundred sixty".