7442801140 has 36 divisors (see below), whose sum is σ = 15847150284. Its totient is φ = 2936295936.

The previous prime is 7442801117. The next prime is 7442801143. The reversal of 7442801140 is 411082447.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 549152356 + 6893648784 = 23434^2 + 83028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442801143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71664 + ... + 141496.

It is an arithmetic number, because the mean of its divisors is an integer number (440198619).

Almost surely, 2^7442801140 is an apocalyptic number.

It is an amenable number.

7442801140 is an abundant number, since it is smaller than the sum of its proper divisors (8404349144).

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

7442801140 is a wasteful number, since it uses less digits than its factorization.

7442801140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69988 (or 69913 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 7442801140 is about 86271.6705529689. The cubic root of 7442801140 is about 1952.4449839489. Note that the first 3 decimals are identical.

Adding to 7442801140 its reverse (411082447), we get a palindrome (7853883587).

The spelling of 7442801140 in words is "seven billion, four hundred forty-two million, eight hundred one thousand, one hundred forty".