7400438564 has 6 divisors (see below), whose sum is σ = 12950767494. Its totient is φ = 3700219280.

The previous prime is 7400438537. The next prime is 7400438579. The reversal of 7400438564 is 4658340047.

It can be written as a sum of positive squares in only one way, i.e., 7397376064 + 3062500 = 86008^2 + 1750^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 925054817 + ... + 925054824.

It is an arithmetic number, because the mean of its divisors is an integer number (2158461249).

Almost surely, 2^7400438564 is an apocalyptic number.

It is an amenable number.

7400438564 is a deficient number, since it is larger than the sum of its proper divisors (5550328930).

7400438564 is a wasteful number, since it uses less digits than its factorization.

7400438564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850109645 (or 1850109643 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 7400438564 is about 86025.8017341309. The cubic root of 7400438564 is about 1948.7336563504.

The spelling of 7400438564 in words is "seven billion, four hundred million, four hundred thirty-eight thousand, five hundred sixty-four".