7442400659 has 4 divisors (see below), whose sum is σ = 7445541960. Its totient is φ = 7439259360.

The previous prime is 7442400649. The next prime is 7442400677. The reversal of 7442400659 is 9560042447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9560042447 = 41 ⋅233171767.

It is a cyclic number.

It is not a de Polignac number, because 7442400659 - 2²⁸ = 7173965203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7442400619) 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 3 ways as a sum of consecutive naturals, for example, 1567094 + ... + 1571835.

It is an arithmetic number, because the mean of its divisors is an integer number (1861385490).

Almost surely, 2^7442400659 is an apocalyptic number.

7442400659 is a deficient number, since it is larger than the sum of its proper divisors (3141301).

7442400659 is a wasteful number, since it uses less digits than its factorization.

7442400659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141300.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 7442400659 is about 86269.3494759292. The cubic root of 7442400659 is about 1952.4099643763.

The spelling of 7442400659 in words is "seven billion, four hundred forty-two million, four hundred thousand, six hundred fifty-nine".