149894236800 has 768 divisors, whose sum is σ = 683963366400. Its totient is φ = 31145472000.

The previous prime is 149894236781. The next prime is 149894236873. The reversal of 149894236800 is 8632498941.

149894236800 is a `hidden beast` number, since 1 + 498 + 9 + 42 + 36 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6641535 + ... + 6664065.

It is an arithmetic number, because the mean of its divisors is an integer number (890577300).

Almost surely, 2^149894236800 is an apocalyptic number.

149894236800 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 149894236800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341981683200).

149894236800 is an abundant number, since it is smaller than the sum of its proper divisors (534069129600).

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

149894236800 is a wasteful number, since it uses less digits than its factorization.

149894236800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22582 (or 22559 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 149894236800 in words is "one hundred forty-nine billion, eight hundred ninety-four million, two hundred thirty-six thousand, eight hundred".