405441315 has 32 divisors (see below), whose sum is σ = 745646400. Its totient is φ = 208776960.

The previous prime is 405441307. The next prime is 405441341. The reversal of 405441315 is 513144504.

It is a happy number.

It is not a de Polignac number, because 405441315 - 2³ = 405441307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 47866 + ... + 55695.

It is an arithmetic number, because the mean of its divisors is an integer number (23301450).

Almost surely, 2^405441315 is an apocalyptic number.

405441315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

405441315 is a deficient number, since it is larger than the sum of its proper divisors (340205085).

405441315 is a wasteful number, since it uses less digits than its factorization.

405441315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103604 (or 103598 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 405441315 is about 20135.5733715233. The cubic root of 405441315 is about 740.1322596567.

Adding to 405441315 its reverse (513144504), we get a palindrome (918585819).

It can be divided in two parts, 4054 and 41315, that added together give a square (45369 = 213²).

The spelling of 405441315 in words is "four hundred five million, four hundred forty-one thousand, three hundred fifteen".