1431444072 has 32 divisors (see below), whose sum is σ = 3579566400. Its totient is φ = 477020544.

The previous prime is 1431444023. The next prime is 1431444073. The reversal of 1431444072 is 2704441341.

It is not an unprimeable number, because it can be changed into a prime (1431444073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139204 + ... + 149132.

It is an arithmetic number, because the mean of its divisors is an integer number (111861450).

Almost surely, 2^1431444072 is an apocalyptic number.

1431444072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1431444072 is an abundant number, since it is smaller than the sum of its proper divisors (2148122328).

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

1431444072 is a wasteful number, since it uses less digits than its factorization.

1431444072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945 (or 15941 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1431444072 is about 37834.4297168597. The cubic root of 1431444072 is about 1127.0022803412.

The spelling of 1431444072 in words is "one billion, four hundred thirty-one million, four hundred forty-four thousand, seventy-two".