438777130 has 32 divisors (see below), whose sum is σ = 867827520. Its totient is φ = 158401920.

The previous prime is 438777113. The next prime is 438777133. The reversal of 438777130 is 31777834.

It is a super-2 number, since 2×438777130² = 385050739622073800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (438777133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942 + ... + 29638.

It is an arithmetic number, because the mean of its divisors is an integer number (27119610).

Almost surely, 2^438777130 is an apocalyptic number.

438777130 is a deficient number, since it is larger than the sum of its proper divisors (429050390).

438777130 is a wasteful number, since it uses less digits than its factorization.

438777130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28854.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 438777130 is about 20947.0076621937. The cubic root of 438777130 is about 759.8852146589.

The spelling of 438777130 in words is "four hundred thirty-eight million, seven hundred seventy-seven thousand, one hundred thirty".