40410256644644 has 24 divisors (see below), whose sum is σ = 74443240653600. Its totient is φ = 19140853435200.

The previous prime is 40410256644601. The next prime is 40410256644647. The reversal of 40410256644644 is 44644665201404.

It is a junction number, because it is equal to n+sod(n) for n = 40410256644592 and 40410256644601.

It is not an unprimeable number, because it can be changed into a prime (40410256644647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10034657 + ... + 13472744.

It is an arithmetic number, because the mean of its divisors is an integer number (3101801693900).

Almost surely, 2^{40410256644644} is an apocalyptic number.

It is an amenable number.

40410256644644 is a deficient number, since it is larger than the sum of its proper divisors (34032984008956).

40410256644644 is a wasteful number, since it uses less digits than its factorization.

40410256644644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23530043 (or 23530041 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 50.

The spelling of 40410256644644 in words is "forty trillion, four hundred ten billion, two hundred fifty-six million, six hundred forty-four thousand, six hundred forty-four".