149839621200 has 480 divisors, whose sum is σ = 543616634880. Its totient is φ = 39191846400.

The previous prime is 149839621193. The next prime is 149839621237. The reversal of 149839621200 is 2126938941.

149839621200 is a `hidden beast` number, since 1 + 49 + 8 + 396 + 212 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 201668029 + ... + 201668771.

It is an arithmetic number, because the mean of its divisors is an integer number (1132534656).

Almost surely, 2^149839621200 is an apocalyptic number.

149839621200 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 149839621200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271808317440).

149839621200 is an abundant number, since it is smaller than the sum of its proper divisors (393777013680).

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

149839621200 is a wasteful number, since it uses less digits than its factorization.

149839621200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 149839621200 in words is "one hundred forty-nine billion, eight hundred thirty-nine million, six hundred twenty-one thousand, two hundred".