40612345461 has 20 divisors (see below), whose sum is σ = 61398772512. Its totient is φ = 26748688968.

The previous prime is 40612345447. The next prime is 40612345513. The reversal of 40612345461 is 16454321604.

40612345461 is a `hidden beast` number, since 4 + 0 + 612 + 34 + 5 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 40612345461 - 2¹¹ = 40612343413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40612345421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3013681 + ... + 3027126.

Almost surely, 2^40612345461 is an apocalyptic number.

It is an amenable number.

40612345461 is a deficient number, since it is larger than the sum of its proper divisors (20786427051).

40612345461 is an equidigital number, since it uses as much as digits as its factorization.

40612345461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040902 (or 6040893 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

It can be divided in two parts, 406123 and 45461, that added together give a square (451584 = 672²).

The spelling of 40612345461 in words is "forty billion, six hundred twelve million, three hundred forty-five thousand, four hundred sixty-one".