42444740745601 has 8 divisors (see below), whose sum is σ = 43480185184800. Its totient is φ = 41409306156960.

The previous prime is 42444740745401. The next prime is 42444740745623. The reversal of 42444740745601 is 10654704744424.

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 42444740745601 - 2⁹ = 42444740745089 is a prime.

It is a super-2 number, since 2×42444740745601² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42444740745401) 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, 6668170 + ... + 11373388.

It is an arithmetic number, because the mean of its divisors is an integer number (5435023148100).

Almost surely, 2^{42444740745601} is an apocalyptic number.

42444740745601 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42444740745601 is a deficient number, since it is larger than the sum of its proper divisors (1035444439199).

42444740745601 is a wasteful number, since it uses less digits than its factorization.

42444740745601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925279.

The product of its (nonzero) digits is 12042240, while the sum is 52.

The spelling of 42444740745601 in words is "forty-two trillion, four hundred forty-four billion, seven hundred forty million, seven hundred forty-five thousand, six hundred one".