405284053280 has 24 divisors (see below), whose sum is σ = 957483576252. Its totient is φ = 162113621248.

The previous prime is 405284053277. The next prime is 405284053319. The reversal of 405284053280 is 82350482504.

It can be written as a sum of positive squares in 2 ways, for example, as 347670612496 + 57613440784 = 589636^2 + 240028^2 .

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, 1266512507 + ... + 1266512826.

Almost surely, 2^405284053280 is an apocalyptic number.

405284053280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405284053280 is an abundant number, since it is smaller than the sum of its proper divisors (552199522972).

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

405284053280 is a wasteful number, since it uses less digits than its factorization.

405284053280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533025348 (or 2533025340 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 405284053280 in words is "four hundred five billion, two hundred eighty-four million, fifty-three thousand, two hundred eighty".