149469891600 has 480 divisors, whose sum is σ = 521278382080. Its totient is φ = 36481259520.

The previous prime is 149469891569. The next prime is 149469891601. The reversal of 149469891600 is 6198964941.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (149469891601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 137506257 + ... + 137507343.

Almost surely, 2^149469891600 is an apocalyptic number.

149469891600 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 149469891600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260639191040).

149469891600 is an abundant number, since it is smaller than the sum of its proper divisors (371808490480).

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

149469891600 is a wasteful number, since it uses less digits than its factorization.

149469891600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 149469891600 in words is "one hundred forty-nine billion, four hundred sixty-nine million, eight hundred ninety-one thousand, six hundred".