7340040405 has 24 divisors (see below), whose sum is σ = 12758204160. Its totient is φ = 3903775200.

The previous prime is 7340040401. The next prime is 7340040467. The reversal of 7340040405 is 5040400437.

7340040405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7340040405 - 2² = 7340040401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7340040401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211021 + ... + 243330.

It is an arithmetic number, because the mean of its divisors is an integer number (531591840).

Almost surely, 2^7340040405 is an apocalyptic number.

It is an amenable number.

7340040405 is a deficient number, since it is larger than the sum of its proper divisors (5418163755).

7340040405 is a wasteful number, since it uses less digits than its factorization.

7340040405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454721 (or 454718 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 7340040405 is about 85674.0357693041. The cubic root of 7340040405 is about 1943.4176837962.

The spelling of 7340040405 in words is "seven billion, three hundred forty million, forty thousand, four hundred five".