1446388872 has 16 divisors (see below), whose sum is σ = 3615972240. Its totient is φ = 482129616.

The previous prime is 1446388861. The next prime is 1446388877. The reversal of 1446388872 is 2788836441.

It is not an unprimeable number, because it can be changed into a prime (1446388877) 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, 30133078 + ... + 30133125.

It is an arithmetic number, because the mean of its divisors is an integer number (225998265).

Almost surely, 2^1446388872 is an apocalyptic number.

1446388872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1446388872 is an abundant number, since it is smaller than the sum of its proper divisors (2169583368).

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

1446388872 is a wasteful number, since it uses less digits than its factorization.

1446388872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60266212 (or 60266208 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 51.

The square root of 1446388872 is about 38031.4195370091. The cubic root of 1446388872 is about 1130.9108149829.

The spelling of 1446388872 in words is "one billion, four hundred forty-six million, three hundred eighty-eight thousand, eight hundred seventy-two".