149568782388 has 24 divisors (see below), whose sum is σ = 358426092192. Its totient is φ = 48508794144.

The previous prime is 149568782387. The next prime is 149568782437. The reversal of 149568782388 is 883287865941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149568782387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168432870 + ... + 168433757.

It is an arithmetic number, because the mean of its divisors is an integer number (14934420508).

Almost surely, 2^149568782388 is an apocalyptic number.

It is an amenable number.

149568782388 is an abundant number, since it is smaller than the sum of its proper divisors (208857309804).

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

149568782388 is a wasteful number, since it uses less digits than its factorization.

149568782388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336866671 (or 336866669 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 69.

The spelling of 149568782388 in words is "one hundred forty-nine billion, five hundred sixty-eight million, seven hundred eighty-two thousand, three hundred eighty-eight".