7440402825393 has 8 divisors (see below), whose sum is σ = 9920639761056. Its totient is φ = 4960217220000.

The previous prime is 7440402825307. The next prime is 7440402825451. The reversal of 7440402825393 is 3935282040447.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7440402825393 - 2¹⁶ = 7440402759857 is a prime.

It is a super-2 number, since 2×7440402825393² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7440402825893) 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 7 ways as a sum of consecutive naturals, for example, 12493063 + ... + 13075068.

It is an arithmetic number, because the mean of its divisors is an integer number (1240079970132).

Almost surely, 2^{7440402825393} is an apocalyptic number.

It is an amenable number.

7440402825393 is a deficient number, since it is larger than the sum of its proper divisors (2480236935663).

7440402825393 is a wasteful number, since it uses less digits than its factorization.

7440402825393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25665135.

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 7440402825393 in words is "seven trillion, four hundred forty billion, four hundred two million, eight hundred twenty-five thousand, three hundred ninety-three".