1405550106 has 48 divisors (see below), whose sum is σ = 3328535808. Its totient is φ = 426729600.

The previous prime is 1405550077. The next prime is 1405550131. The reversal of 1405550106 is 6010555041.

It is a happy number.

1405550106 is a `hidden beast` number, since 1 + 4 + 0 + 5 + 550 + 106 = 666.

It is a super-2 number, since 2×1405550106² = 3951142200953222472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1405550106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64600 + ... + 83571.

It is an arithmetic number, because the mean of its divisors is an integer number (69344496).

Almost surely, 2^1405550106 is an apocalyptic number.

1405550106 is an abundant number, since it is smaller than the sum of its proper divisors (1922985702).

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

1405550106 is a wasteful number, since it uses less digits than its factorization.

1405550106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148227 (or 148224 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1405550106 is about 37490.6669185812. Note that the first 3 decimals coincide. The cubic root of 1405550106 is about 1120.1652886371.

The spelling of 1405550106 in words is "one billion, four hundred five million, five hundred fifty thousand, one hundred six".