43454423504 has 10 divisors (see below), whose sum is σ = 84192945570. Its totient is φ = 21727211744.

The previous prime is 43454423491. The next prime is 43454423557. The reversal of 43454423504 is 40532445434.

It can be written as a sum of positive squares in only one way, i.e., 43139290000 + 315133504 = 207700^2 + 17752^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1357950719 + ... + 1357950750.

It is an arithmetic number, because the mean of its divisors is an integer number (8419294557).

Almost surely, 2^43454423504 is an apocalyptic number.

It is an amenable number.

43454423504 is a deficient number, since it is larger than the sum of its proper divisors (40738522066).

43454423504 is a wasteful number, since it uses less digits than its factorization.

43454423504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715901477 (or 2715901471 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 43454423504 its reverse (40532445434), we get a palindrome (83986868938).

The spelling of 43454423504 in words is "forty-three billion, four hundred fifty-four million, four hundred twenty-three thousand, five hundred four".