4321561464 has 96 divisors (see below), whose sum is σ = 13194930000. Its totient is φ = 1309556160.

The previous prime is 4321561429. The next prime is 4321561481. The reversal of 4321561464 is 4641651234.

4321561464 is a `hidden beast` number, since 4 + 32 + 1 + 5 + 614 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56539 + ... + 108810.

Almost surely, 2^4321561464 is an apocalyptic number.

4321561464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4321561464 is an abundant number, since it is smaller than the sum of its proper divisors (8873368536).

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

4321561464 is a wasteful number, since it uses less digits than its factorization.

4321561464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165386 (or 165365 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4321561464 is about 65738.5842865512. The cubic root of 4321561464 is about 1628.8467715693.

The spelling of 4321561464 in words is "four billion, three hundred twenty-one million, five hundred sixty-one thousand, four hundred sixty-four".