7440140745 has 96 divisors (see below), whose sum is σ = 14012369280. Its totient is φ = 3639168000.

The previous prime is 7440140711. The next prime is 7440140761. The reversal of 7440140745 is 5470410447.

It is a happy number.

7440140745 is a `hidden beast` number, since 7 + 440 + 140 + 74 + 5 = 666.

It is not a de Polignac number, because 7440140745 - 2¹¹ = 7440138697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7939917 + ... + 7940853.

It is an arithmetic number, because the mean of its divisors is an integer number (145962180).

Almost surely, 2^7440140745 is an apocalyptic number.

It is an amenable number.

7440140745 is a deficient number, since it is larger than the sum of its proper divisors (6572228535).

7440140745 is a wasteful number, since it uses less digits than its factorization.

7440140745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 7440140745 is about 86256.2504691689. The cubic root of 7440140745 is about 1952.2123254024.

The spelling of 7440140745 in words is "seven billion, four hundred forty million, one hundred forty thousand, seven hundred forty-five".