431412540 has 48 divisors (see below), whose sum is σ = 1300877088. Its totient is φ = 106193664.

The previous prime is 431412481. The next prime is 431412581. The reversal of 431412540 is 45214134.

It is a super-2 number, since 2×431412540² = 372233559338503200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431412540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275767 + ... + 277326.

It is an arithmetic number, because the mean of its divisors is an integer number (27101606).

Almost surely, 2^431412540 is an apocalyptic number.

It is an amenable number.

431412540 is an abundant number, since it is smaller than the sum of its proper divisors (869464548).

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

431412540 is a wasteful number, since it uses less digits than its factorization.

431412540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553118 (or 553116 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 431412540 is about 20770.4727919227. The cubic root of 431412540 is about 755.6098109668.

Adding to 431412540 its reverse (45214134), we get a palindrome (476626674).

The spelling of 431412540 in words is "four hundred thirty-one million, four hundred twelve thousand, five hundred forty".