43147933920 has 864 divisors, whose sum is σ = 195378438528. Its totient is φ = 8565129216.

The previous prime is 43147933861. The next prime is 43147933931. The reversal of 43147933920 is 2933974134.

43147933920 is a `hidden beast` number, since 431 + 47 + 93 + 3 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15592377 + ... + 15595143.

It is an arithmetic number, because the mean of its divisors is an integer number (226132452).

Almost surely, 2^43147933920 is an apocalyptic number.

43147933920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43147933920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97689219264).

43147933920 is an abundant number, since it is smaller than the sum of its proper divisors (152230504608).

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

43147933920 is a wasteful number, since it uses less digits than its factorization.

43147933920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 43147933920 in words is "forty-three billion, one hundred forty-seven million, nine hundred thirty-three thousand, nine hundred twenty".