745040555514401 has 4 divisors (see below), whose sum is σ = 749501876206272. Its totient is φ = 740579234822532.

The previous prime is 745040555514361. The next prime is 745040555514413. The reversal of 745040555514401 is 104415555040547.

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 745040555514401 - 2⁴⁶ = 674671811336737 is a prime.

It is a super-2 number, since 2×745040555514401² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745040555514401.

It is not an unprimeable number, because it can be changed into a prime (745040555714401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230660345685 + ... + 2230660346018.

It is an arithmetic number, because the mean of its divisors is an integer number (187375469051568).

Almost surely, 2^{745040555514401} is an apocalyptic number.

It is an amenable number.

745040555514401 is a deficient number, since it is larger than the sum of its proper divisors (4461320691871).

745040555514401 is a wasteful number, since it uses less digits than its factorization.

745040555514401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461320691870.

The product of its (nonzero) digits is 5600000, while the sum is 50.

The spelling of 745040555514401 in words is "seven hundred forty-five trillion, forty billion, five hundred fifty-five million, five hundred fourteen thousand, four hundred one".