1405800036 has 45 divisors (see below), whose sum is σ = 3676804131. Its totient is φ = 468375048.

The previous prime is 1405800029. The next prime is 1405800061. The reversal of 1405800036 is 6300085041.

The square root of 1405800036 is 37494.

It is a perfect power (a square), and thus also a powerful number.

1405800036 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1405799982 and 1405800009.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 673851 + ... + 675933.

Almost surely, 2^1405800036 is an apocalyptic number.

1405800036 is the 37494-th square number.

It is an amenable number.

1405800036 is an abundant number, since it is smaller than the sum of its proper divisors (2271004095).

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

1405800036 is an frugal number, since it uses more digits than its factorization.

1405800036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The cubic root of 1405800036 is about 1120.2316793257.

Adding to 1405800036 its reverse (6300085041), we get a palindrome (7705885077).

The spelling of 1405800036 in words is "one billion, four hundred five million, eight hundred thousand, thirty-six".