1405055532 has 24 divisors (see below), whose sum is σ = 3384220672. Its totient is φ = 453243600.

The previous prime is 1405055513. The next prime is 1405055537. The reversal of 1405055532 is 2355505041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1405055532.

It is not an unprimeable number, because it can be changed into a prime (1405055537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888144 + ... + 1888887.

Almost surely, 2^1405055532 is an apocalyptic number.

1405055532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1405055532 is an abundant number, since it is smaller than the sum of its proper divisors (1979165140).

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

1405055532 is a wasteful number, since it uses less digits than its factorization.

1405055532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777069 (or 3777067 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1405055532 is about 37484.0703766280. The cubic root of 1405055532 is about 1120.0338882178.

The spelling of 1405055532 in words is "one billion, four hundred five million, fifty-five thousand, five hundred thirty-two".