1284399800348 has 24 divisors (see below), whose sum is σ = 2703999580800. Its totient is φ = 521485633008.

The previous prime is 1284399800309. The next prime is 1284399800371. The reversal of 1284399800348 is 8430089934821.

It is a happy number.

It is a super-2 number, since 2×1284399800348² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207142138 + ... + 1207143201.

It is an arithmetic number, because the mean of its divisors is an integer number (112666649200).

Almost surely, 2^{1284399800348} is an apocalyptic number.

It is an amenable number.

1284399800348 is an abundant number, since it is smaller than the sum of its proper divisors (1419599780452).

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

1284399800348 is a wasteful number, since it uses less digits than its factorization.

1284399800348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414285369 (or 2414285367 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 59.

The spelling of 1284399800348 in words is "one trillion, two hundred eighty-four billion, three hundred ninety-nine million, eight hundred thousand, three hundred forty-eight".