7740464242 has 24 divisors (see below), whose sum is σ = 14300812764. Its totient is φ = 3122203392.

The previous prime is 7740464213. The next prime is 7740464257. The reversal of 7740464242 is 2424640477.

It can be written as a sum of positive squares in 2 ways, for example, as 6624169321 + 1116294921 = 81389^2 + 33411^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7740464195 and 7740464204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2321403 + ... + 2324734.

Almost surely, 2^7740464242 is an apocalyptic number.

7740464242 is a deficient number, since it is larger than the sum of its proper divisors (6560348522).

7740464242 is a wasteful number, since it uses less digits than its factorization.

7740464242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646170 (or 4646163 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 40.

The square root of 7740464242 is about 87979.9081722640. The cubic root of 7740464242 is about 1978.1338266365.

The spelling of 7740464242 in words is "seven billion, seven hundred forty million, four hundred sixty-four thousand, two hundred forty-two".