1405056436 has 12 divisors (see below), whose sum is σ = 2810112928. Its totient is φ = 602167032.

The previous prime is 1405056427. The next prime is 1405056437. The reversal of 1405056436 is 6346505041.

1405056436 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405056437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25090266 + ... + 25090321.

Almost surely, 2^1405056436 is an apocalyptic number.

It is an amenable number.

1405056436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1405056436 is a wasteful number, since it uses less digits than its factorization.

1405056436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50180598 (or 50180596 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1405056436 is about 37484.0824350817. The cubic root of 1405056436 is about 1120.0341284243.

The spelling of 1405056436 in words is "one billion, four hundred five million, fifty-six thousand, four hundred thirty-six".