469138716 has 72 divisors (see below), whose sum is σ = 1233558144. Its totient is φ = 155902320.

The previous prime is 469138679. The next prime is 469138721. The reversal of 469138716 is 617831964.

It is a happy number.

It is a super-2 number, since 2×469138716² = 440182269700257312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476761 + ... + 477743.

It is an arithmetic number, because the mean of its divisors is an integer number (17132752).

Almost surely, 2^469138716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469138716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616779072).

469138716 is an abundant number, since it is smaller than the sum of its proper divisors (764419428).

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

469138716 is a wasteful number, since it uses less digits than its factorization.

469138716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1479 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 469138716 is about 21659.6102458008. The cubic root of 469138716 is about 777.0227926708.

The spelling of 469138716 in words is "four hundred sixty-nine million, one hundred thirty-eight thousand, seven hundred sixteen".