149509928780 has 48 divisors (see below), whose sum is σ = 332600832480. Its totient is φ = 56295502848.

The previous prime is 149509928767. The next prime is 149509928783. The reversal of 149509928780 is 87829905941.

It is not an unprimeable number, because it can be changed into a prime (149509928783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193357 + ... + 1312676.

It is an arithmetic number, because the mean of its divisors is an integer number (6929184010).

Almost surely, 2^149509928780 is an apocalyptic number.

149509928780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149509928780 is an abundant number, since it is smaller than the sum of its proper divisors (183090903700).

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

149509928780 is a wasteful number, since it uses less digits than its factorization.

149509928780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506218 (or 2506216 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 149509928780 in words is "one hundred forty-nine billion, five hundred nine million, nine hundred twenty-eight thousand, seven hundred eighty".