1431444460 has 24 divisors (see below), whose sum is σ = 3007438560. Its totient is φ = 572310144.

The previous prime is 1431444433. The next prime is 1431444461. The reversal of 1431444460 is 644441341.

It is not an unprimeable number, because it can be changed into a prime (1431444461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30361 + ... + 61519.

It is an arithmetic number, because the mean of its divisors is an integer number (125309940).

Almost surely, 2^1431444460 is an apocalyptic number.

1431444460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431444460 is an abundant number, since it is smaller than the sum of its proper divisors (1575994100).

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

1431444460 is a wasteful number, since it uses less digits than its factorization.

1431444460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33465 (or 33463 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 1431444460 is about 37834.4348444641. The cubic root of 1431444460 is about 1127.0023821677.

The spelling of 1431444460 in words is "one billion, four hundred thirty-one million, four hundred forty-four thousand, four hundred sixty".