1405485471 has 32 divisors (see below), whose sum is σ = 2089830400. Its totient is φ = 834364800.

The previous prime is 1405485469. The next prime is 1405485479. The reversal of 1405485471 is 1745845041.

It is not a de Polignac number, because 1405485471 - 2¹ = 1405485469 is a prime.

It is a super-3 number, since 3×1405485471³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405485479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420276 + ... + 423606.

It is an arithmetic number, because the mean of its divisors is an integer number (65307200).

Almost surely, 2^1405485471 is an apocalyptic number.

1405485471 is a deficient number, since it is larger than the sum of its proper divisors (684344929).

1405485471 is a wasteful number, since it uses less digits than its factorization.

1405485471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 1405485471 is about 37489.8048941309. The cubic root of 1405485471 is about 1120.1481179002.

The spelling of 1405485471 in words is "one billion, four hundred five million, four hundred eighty-five thousand, four hundred seventy-one".