149485776420 has 192 divisors, whose sum is σ = 435176146944. Its totient is φ = 38300221440.

The previous prime is 149485776361. The next prime is 149485776437. The reversal of 149485776420 is 24677584941.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252083644 + ... + 252084236.

It is an arithmetic number, because the mean of its divisors is an integer number (2266542432).

Almost surely, 2^149485776420 is an apocalyptic number.

149485776420 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 149485776420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217588073472).

149485776420 is an abundant number, since it is smaller than the sum of its proper divisors (285690370524).

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

149485776420 is a wasteful number, since it uses less digits than its factorization.

149485776420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 149485776420 in words is "one hundred forty-nine billion, four hundred eighty-five million, seven hundred seventy-six thousand, four hundred twenty".