40612257785 has 16 divisors (see below), whose sum is σ = 53570987712. Its totient is φ = 29310715200.

The previous prime is 40612257733. The next prime is 40612257809. The reversal of 40612257785 is 58775221604.

It is not a de Polignac number, because 40612257785 - 2⁸ = 40612257529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2811134 + ... + 2825543.

It is an arithmetic number, because the mean of its divisors is an integer number (3348186732).

Almost surely, 2^40612257785 is an apocalyptic number.

It is an amenable number.

40612257785 is a deficient number, since it is larger than the sum of its proper divisors (12958729927).

40612257785 is a wasteful number, since it uses less digits than its factorization.

40612257785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636824.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 40612257785 in words is "forty billion, six hundred twelve million, two hundred fifty-seven thousand, seven hundred eighty-five".