1878632448 has 432 divisors, whose sum is σ = 6640189920. Its totient is φ = 462274560.

The previous prime is 1878632389. The next prime is 1878632453. The reversal of 1878632448 is 8442368781.

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

Its product of digits (2064384) is a multiple of the sum of its prime divisors (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1878632448.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98875383 + ... + 98875401.

It is an arithmetic number, because the mean of its divisors is an integer number (15370810).

Almost surely, 2^1878632448 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 1878632448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3320094960).

1878632448 is an abundant number, since it is smaller than the sum of its proper divisors (4761557472).

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

1878632448 is a wasteful number, since it uses less digits than its factorization.

1878632448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 42 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 51.

The square root of 1878632448 is about 43343.1937909518. The cubic root of 1878632448 is about 1233.9018245689.

The spelling of 1878632448 in words is "one billion, eight hundred seventy-eight million, six hundred thirty-two thousand, four hundred forty-eight".