40612257786 has 16 divisors (see below), whose sum is σ = 81367272000. Its totient is φ = 13513626528.

The previous prime is 40612257733. The next prime is 40612257809. The reversal of 40612257786 is 68775221604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5944486 + ... + 5951313.

It is an arithmetic number, because the mean of its divisors is an integer number (5085454500).

Almost surely, 2^40612257786 is an apocalyptic number.

40612257786 is an abundant number, since it is smaller than the sum of its proper divisors (40755014214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40612257786 is a wasteful number, since it uses less digits than its factorization.

40612257786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11896373.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 40612257786 in words is "forty billion, six hundred twelve million, two hundred fifty-seven thousand, seven hundred eighty-six".