74040040441 has 4 divisors (see below), whose sum is σ = 75082857984. Its totient is φ = 72997222900.

The previous prime is 74040040429. The next prime is 74040040511. The reversal of 74040040441 is 14404004047.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14404004047 = 173 ⋅83260139.

It is not a de Polignac number, because 74040040441 - 2⁵ = 74040040409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74040041441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521408665 + ... + 521408806.

It is an arithmetic number, because the mean of its divisors is an integer number (18770714496).

Almost surely, 2^74040040441 is an apocalyptic number.

74040040441 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

74040040441 is a deficient number, since it is larger than the sum of its proper divisors (1042817543).

74040040441 is a wasteful number, since it uses less digits than its factorization.

74040040441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042817542.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 74040040441 its reverse (14404004047), we get a palindrome (88444044488).

The spelling of 74040040441 in words is "seventy-four billion, forty million, forty thousand, four hundred forty-one".