280149400149 has 8 divisors (see below), whose sum is σ = 393192140640. Its totient is φ = 176936463216.

The previous prime is 280149400099. The next prime is 280149400183. The reversal of 280149400149 is 941004941082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 280149400149 - 2¹¹ = 280149398101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280149400149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280149400849) 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, 2457450822 + ... + 2457450935.

It is an arithmetic number, because the mean of its divisors is an integer number (49149017580).

Almost surely, 2^280149400149 is an apocalyptic number.

It is an amenable number.

280149400149 is a deficient number, since it is larger than the sum of its proper divisors (113042740491).

280149400149 is a wasteful number, since it uses less digits than its factorization.

280149400149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914901779.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 280149400149 in words is "two hundred eighty billion, one hundred forty-nine million, four hundred thousand, one hundred forty-nine".