43072470144 has 128 divisors (see below), whose sum is σ = 138680424000. Its totient is φ = 13052252160.

The previous prime is 43072470143. The next prime is 43072470227. The reversal of 43072470144 is 44107427034.

It is a happy number.

43072470144 is a `hidden beast` number, since 43 + 0 + 7 + 2 + 470 + 144 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a junction number, because it is equal to n+sod(n) for n = 43072470099 and 43072470108.

It is not an unprimeable number, because it can be changed into a prime (43072470143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528489 + ... + 604520.

Almost surely, 2^43072470144 is an apocalyptic number.

43072470144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

43072470144 is an abundant number, since it is smaller than the sum of its proper divisors (95607953856).

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

43072470144 is a wasteful number, since it uses less digits than its factorization.

43072470144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133043 (or 1133025 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

Adding to 43072470144 its reverse (44107427034), we get a palindrome (87179897178).

The spelling of 43072470144 in words is "forty-three billion, seventy-two million, four hundred seventy thousand, one hundred forty-four".