149273393280 has 512 divisors, whose sum is σ = 552874533120. Its totient is φ = 33855897600.

The previous prime is 149273393279. The next prime is 149273393287. The reversal of 149273393280 is 82393372941.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (149273393287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64985092 + ... + 64987388.

Almost surely, 2^149273393280 is an apocalyptic number.

149273393280 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 149273393280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276437266560).

149273393280 is an abundant number, since it is smaller than the sum of its proper divisors (403601139840).

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

149273393280 is a wasteful number, since it uses less digits than its factorization.

149273393280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 149273393280 in words is "one hundred forty-nine billion, two hundred seventy-three million, three hundred ninety-three thousand, two hundred eighty".