43026312540 has 48 divisors (see below), whose sum is σ = 120518929440. Its totient is φ = 11469373440.

The previous prime is 43026312491. The next prime is 43026312547. The reversal of 43026312540 is 4521362034.

It is a super-2 number, since 2×43026312540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 43026312498 and 43026312507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43026312547) 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, 28000 + ... + 294680.

It is an arithmetic number, because the mean of its divisors is an integer number (2510811030).

Almost surely, 2^43026312540 is an apocalyptic number.

It is an amenable number.

43026312540 is an abundant number, since it is smaller than the sum of its proper divisors (77492616900).

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

43026312540 is a wasteful number, since it uses less digits than its factorization.

43026312540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269382 (or 269380 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 43026312540 its reverse (4521362034), we get a palindrome (47547674574).

The spelling of 43026312540 in words is "forty-three billion, twenty-six million, three hundred twelve thousand, five hundred forty".