264431416 has 32 divisors (see below), whose sum is σ = 506444400. Its totient is φ = 129392640.

The previous prime is 264431411. The next prime is 264431441. The reversal of 264431416 is 614134462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264431411) 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, 325651 + ... + 326461.

Almost surely, 2^264431416 is an apocalyptic number.

It is an amenable number.

264431416 is a deficient number, since it is larger than the sum of its proper divisors (242012984).

264431416 is a wasteful number, since it uses less digits than its factorization.

264431416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1635 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 264431416 is about 16261.3472996551. The cubic root of 264431416 is about 641.8561156316.

Adding to 264431416 its reverse (614134462), we get a palindrome (878565878).

The spelling of 264431416 in words is "two hundred sixty-four million, four hundred thirty-one thousand, four hundred sixteen".