43040023134030 has 256 divisors, whose sum is σ = 125443464652800. Its totient is φ = 10436876835840.

The previous prime is 43040023133999. The next prime is 43040023134067. The reversal of 43040023134030 is 3043132004034.

43040023134030 is a `hidden beast` number, since 4 + 304 + 0 + 0 + 2 + 313 + 40 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 43040023133985 and 43040023134003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 313686802 + ... + 313823978.

It is an arithmetic number, because the mean of its divisors is an integer number (490013533800).

Almost surely, 2^{43040023134030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43040023134030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62721732326400).

43040023134030 is an abundant number, since it is smaller than the sum of its proper divisors (82403441518770).

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

43040023134030 is a wasteful number, since it uses less digits than its factorization.

43040023134030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138536 (or 138530 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 43040023134030 its reverse (3043132004034), we get a palindrome (46083155138064).

The spelling of 43040023134030 in words is "forty-three trillion, forty billion, twenty-three million, one hundred thirty-four thousand, thirty".