438748464 has 80 divisors (see below), whose sum is σ = 1413123840. Its totient is φ = 113959680.

The previous prime is 438748451. The next prime is 438748481. The reversal of 438748464 is 464847834.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55659 + ... + 63050.

It is an arithmetic number, because the mean of its divisors is an integer number (17664048).

Almost surely, 2^438748464 is an apocalyptic number.

438748464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

438748464 is an abundant number, since it is smaller than the sum of its proper divisors (974375376).

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

438748464 is a wasteful number, since it uses less digits than its factorization.

438748464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118738 (or 118732 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 48.

The square root of 438748464 is about 20946.3234005398. The cubic root of 438748464 is about 759.8686661331.

The spelling of 438748464 in words is "four hundred thirty-eight million, seven hundred forty-eight thousand, four hundred sixty-four".