405055411320 has 128 divisors (see below), whose sum is σ = 1449142410240. Its totient is φ = 88558694400.

The previous prime is 405055411301. The next prime is 405055411331. The reversal of 405055411320 is 23114550504.

It is a super-2 number, since 2×405055411320² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10463481 + ... + 10502120.

It is an arithmetic number, because the mean of its divisors is an integer number (11321425080).

Almost surely, 2^405055411320 is an apocalyptic number.

405055411320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405055411320 is an abundant number, since it is smaller than the sum of its proper divisors (1044086998920).

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

405055411320 is a wasteful number, since it uses less digits than its factorization.

405055411320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20965645 (or 20965641 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 405055411320 its reverse (23114550504), we get a palindrome (428169961824).

The spelling of 405055411320 in words is "four hundred five billion, fifty-five million, four hundred eleven thousand, three hundred twenty".