149799380502798 has 48 divisors (see below), whose sum is σ = 349532822882880. Its totient is φ = 46091993775552.

The previous prime is 149799380502791. The next prime is 149799380502799. The reversal of 149799380502798 is 897205083997941.

149799380502798 is a `hidden beast` number, since 1 + 4 + 9 + 7 + 9 + 9 + 38 + 0 + 502 + 79 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149799380502791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128416315 + ... + 129577577.

It is an arithmetic number, because the mean of its divisors is an integer number (7281933810060).

Almost surely, 2^{149799380502798} is an apocalyptic number.

149799380502798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149799380502798 is an abundant number, since it is smaller than the sum of its proper divisors (199733442380082).

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

149799380502798 is a wasteful number, since it uses less digits than its factorization.

149799380502798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712553 (or 1712550 counting only the distinct ones).

The product of its (nonzero) digits is 2469035520, while the sum is 81.

The spelling of 149799380502798 in words is "one hundred forty-nine trillion, seven hundred ninety-nine billion, three hundred eighty million, five hundred two thousand, seven hundred ninety-eight".