4321538940 has 24 divisors (see below), whose sum is σ = 12100309200. Its totient is φ = 1152410368.

The previous prime is 4321538929. The next prime is 4321538953. The reversal of 4321538940 is 498351234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36012765 + ... + 36012884.

It is an arithmetic number, because the mean of its divisors is an integer number (504179550).

Almost surely, 2^4321538940 is an apocalyptic number.

It is an amenable number.

4321538940 is an abundant number, since it is smaller than the sum of its proper divisors (7778770260).

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

4321538940 is a wasteful number, since it uses less digits than its factorization.

4321538940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72025661 (or 72025659 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 4321538940 is about 65738.4129714127. The cubic root of 4321538940 is about 1628.8439417119.

The spelling of 4321538940 in words is "four billion, three hundred twenty-one million, five hundred thirty-eight thousand, nine hundred forty".