74100440340 has 36 divisors (see below), whose sum is σ = 224771336244. Its totient is φ = 19760117376.

The previous prime is 74100440321. The next prime is 74100440347. The reversal of 74100440340 is 4304400147.

It can be written as a sum of positive squares in 2 ways, for example, as 35091030276 + 39009410064 = 187326^2 + 197508^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74100440347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205834377 + ... + 205834736.

It is an arithmetic number, because the mean of its divisors is an integer number (6243648229).

Almost surely, 2^74100440340 is an apocalyptic number.

It is an amenable number.

74100440340 is an abundant number, since it is smaller than the sum of its proper divisors (150670895904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74100440340 is a wasteful number, since it uses less digits than its factorization.

74100440340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411669128 (or 411669123 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 74100440340 its reverse (4304400147), we get a palindrome (78404840487).

The spelling of 74100440340 in words is "seventy-four billion, one hundred million, four hundred forty thousand, three hundred forty".