43472722464 has 384 divisors, whose sum is σ = 136711411200. Its totient is φ = 13405962240.

The previous prime is 43472722457. The next prime is 43472722477. The reversal of 43472722464 is 46422727434.

It is a happy number.

43472722464 is a `hidden beast` number, since 4 + 347 + 27 + 224 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186578092 + ... + 186578324.

It is an arithmetic number, because the mean of its divisors is an integer number (356019300).

Almost surely, 2^43472722464 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 43472722464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68355705600).

43472722464 is an abundant number, since it is smaller than the sum of its proper divisors (93238688736).

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

43472722464 is a wasteful number, since it uses less digits than its factorization.

43472722464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 531 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 45.

The spelling of 43472722464 in words is "forty-three billion, four hundred seventy-two million, seven hundred twenty-two thousand, four hundred sixty-four".