1405485541 has 16 divisors (see below), whose sum is σ = 1490469120. Its totient is φ = 1322576640.

The previous prime is 1405485517. The next prime is 1405485569. The reversal of 1405485541 is 1455845041.

It is a de Polignac number, because none of the positive numbers 2^k-1405485541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1405485541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405485581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392445 + ... + 1393453.

It is an arithmetic number, because the mean of its divisors is an integer number (93154320).

Almost surely, 2^1405485541 is an apocalyptic number.

It is an amenable number.

1405485541 is a deficient number, since it is larger than the sum of its proper divisors (84983579).

1405485541 is a wasteful number, since it uses less digits than its factorization.

1405485541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 1405485541 is about 37489.8058277180. The cubic root of 1405485541 is about 1120.1481364965.

The spelling of 1405485541 in words is "one billion, four hundred five million, four hundred eighty-five thousand, five hundred forty-one".