7040612457 has 6 divisors (see below), whose sum is σ = 10169773562. Its totient is φ = 4693741632.

The previous prime is 7040612429. The next prime is 7040612477. The reversal of 7040612457 is 7542160407.

7040612457 is a `hidden beast` number, since 7 + 0 + 406 + 1 + 245 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6625308816 + 415303641 = 81396^2 + 20379^2 .

It is not a de Polignac number, because 7040612457 - 2⁷ = 7040612329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7040612477) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 391145128 + ... + 391145145.

Almost surely, 2^7040612457 is an apocalyptic number.

It is an amenable number.

7040612457 is a deficient number, since it is larger than the sum of its proper divisors (3129161105).

7040612457 is a wasteful number, since it uses less digits than its factorization.

7040612457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782290279 (or 782290276 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 7040612457 is about 83908.3574919686. The cubic root of 7040612457 is about 1916.6235195966.

The spelling of 7040612457 in words is "seven billion, forty million, six hundred twelve thousand, four hundred fifty-seven".