7440739299 has 40 divisors (see below), whose sum is σ = 13450317408. Its totient is φ = 4001736960.

The previous prime is 7440739297. The next prime is 7440739309. The reversal of 7440739299 is 9929370447.

It is a happy number.

It is not a de Polignac number, because 7440739299 - 2¹ = 7440739297 is a prime.

It is a super-2 number, since 2×7440739299² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7440739291) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 376332 + ... + 395609.

Almost surely, 2^7440739299 is an apocalyptic number.

7440739299 is a deficient number, since it is larger than the sum of its proper divisors (6009578109).

7440739299 is a wasteful number, since it uses less digits than its factorization.

7440739299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771977 (or 771968 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The square root of 7440739299 is about 86259.7200262092. The cubic root of 7440739299 is about 1952.2646753602.

The spelling of 7440739299 in words is "seven billion, four hundred forty million, seven hundred thirty-nine thousand, two hundred ninety-nine".