431050240 has 80 divisors (see below), whose sum is σ = 1040857488. Its totient is φ = 171196416.

The previous prime is 431050231. The next prime is 431050241. The reversal of 431050240 is 42050134.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431050241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416764 + ... + 417796.

Almost surely, 2^431050240 is an apocalyptic number.

431050240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520428744).

431050240 is an abundant number, since it is smaller than the sum of its proper divisors (609807248).

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

431050240 is a wasteful number, since it uses less digits than its factorization.

431050240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 431050240 is about 20761.7494445916. The cubic root of 431050240 is about 755.3982315011.

The spelling of 431050240 in words is "four hundred thirty-one million, fifty thousand, two hundred forty".