1412021840 has 20 divisors (see below), whose sum is σ = 3282950964. Its totient is φ = 564808704.

The previous prime is 1412021827. The next prime is 1412021899. The reversal of 1412021840 is 481202141.

It can be written as a sum of positive squares in 2 ways, for example, as 440328256 + 971693584 = 20984^2 + 31172^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8825057 + ... + 8825216.

Almost surely, 2^1412021840 is an apocalyptic number.

1412021840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1412021840 is an abundant number, since it is smaller than the sum of its proper divisors (1870929124).

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

1412021840 is a wasteful number, since it uses less digits than its factorization.

1412021840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17650286 (or 17650280 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1412021840 is about 37576.8790614654. The cubic root of 1412021840 is about 1121.8818914338.

Adding to 1412021840 its reverse (481202141), we get a palindrome (1893223981).

The spelling of 1412021840 in words is "one billion, four hundred twelve million, twenty-one thousand, eight hundred forty".