43540124100461 has 8 divisors (see below), whose sum is σ = 43723040903544. Its totient is φ = 43357486348800.

The previous prime is 43540124100439. The next prime is 43540124100481. The reversal of 43540124100461 is 16400142104534.

It can be written as a sum of positive squares in 4 ways, for example, as 412139604361 + 43127984496100 = 641981^2 + 6567190^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43540124100461 - 2⁶ = 43540124100397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43540124100481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69450140 + ... + 70074261.

It is an arithmetic number, because the mean of its divisors is an integer number (5465380112943).

Almost surely, 2^{43540124100461} is an apocalyptic number.

It is an amenable number.

43540124100461 is a deficient number, since it is larger than the sum of its proper divisors (182916803083).

43540124100461 is a wasteful number, since it uses less digits than its factorization.

43540124100461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139525711.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 43540124100461 its reverse (16400142104534), we get a palindrome (59940266204995).

The spelling of 43540124100461 in words is "forty-three trillion, five hundred forty billion, one hundred twenty-four million, one hundred thousand, four hundred sixty-one".