431300055240 has 160 divisors (see below), whose sum is σ = 1480491492480. Its totient is φ = 112566215808.

The previous prime is 431300055227. The next prime is 431300055257. The reversal of 431300055240 is 42550003134.

431300055240 is a `hidden beast` number, since 4 + 3 + 130 + 0 + 0 + 5 + 524 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1263862 + ... + 1568421.

It is an arithmetic number, because the mean of its divisors is an integer number (9253071828).

Almost surely, 2^431300055240 is an apocalyptic number.

431300055240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431300055240 is an abundant number, since it is smaller than the sum of its proper divisors (1049191437240).

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

431300055240 is a wasteful number, since it uses less digits than its factorization.

431300055240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832353 (or 2832340 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 431300055240 its reverse (42550003134), we get a palindrome (473850058374).

The spelling of 431300055240 in words is "four hundred thirty-one billion, three hundred million, fifty-five thousand, two hundred forty".