280149400148 has 12 divisors (see below), whose sum is σ = 490314101760. Its totient is φ = 140059656792.

The previous prime is 280149400099. The next prime is 280149400183. The reversal of 280149400148 is 841004941082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3718868 + ... + 3793451.

It is an arithmetic number, because the mean of its divisors is an integer number (40859508480).

Almost surely, 2^280149400148 is an apocalyptic number.

It is an amenable number.

280149400148 is a deficient number, since it is larger than the sum of its proper divisors (210164701612).

280149400148 is a wasteful number, since it uses less digits than its factorization.

280149400148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521646 (or 7521644 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 280149400148 in words is "two hundred eighty billion, one hundred forty-nine million, four hundred thousand, one hundred forty-eight".