4382512140 has 48 divisors (see below), whose sum is σ = 12570334560. Its totient is φ = 1140165120.

The previous prime is 4382512139. The next prime is 4382512151. The reversal of 4382512140 is 412152834.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4382512098 and 4382512107.

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, 888295 + ... + 893214.

It is an arithmetic number, because the mean of its divisors is an integer number (261881970).

Almost surely, 2^4382512140 is an apocalyptic number.

It is an amenable number.

4382512140 is an abundant number, since it is smaller than the sum of its proper divisors (8187822420).

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

4382512140 is a wasteful number, since it uses less digits than its factorization.

4382512140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781562 (or 1781560 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 4382512140 is about 66200.5448618061. The cubic root of 4382512140 is about 1636.4687229875.

Adding to 4382512140 its reverse (412152834), we get a palindrome (4794664974).

It can be divided in two parts, 438251 and 2140, that added together give a triangular number (440391 = T₉₃₈).

The spelling of 4382512140 in words is "four billion, three hundred eighty-two million, five hundred twelve thousand, one hundred forty".