42400041503441 has 4 divisors (see below), whose sum is σ = 44243521568832. Its totient is φ = 40556561438052.

The previous prime is 42400041503387. The next prime is 42400041503537. The reversal of 42400041503441 is 14430514000424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42400041503441 - 2¹⁴ = 42400041487057 is a prime.

It is a super-3 number, since 3×42400041503441³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42400041503398 and 42400041503407.

It is not an unprimeable number, because it can be changed into a prime (42400041503341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921740032661 + ... + 921740032706.

It is an arithmetic number, because the mean of its divisors is an integer number (11060880392208).

Almost surely, 2^{42400041503441} is an apocalyptic number.

It is an amenable number.

42400041503441 is a deficient number, since it is larger than the sum of its proper divisors (1843480065391).

42400041503441 is a wasteful number, since it uses less digits than its factorization.

42400041503441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843480065390.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 42400041503441 its reverse (14430514000424), we get a palindrome (56830555503865).

The spelling of 42400041503441 in words is "forty-two trillion, four hundred billion, forty-one million, five hundred three thousand, four hundred forty-one".