40113666435642 has 16 divisors (see below), whose sum is σ = 80234344048800. Its totient is φ = 13370053615632.

The previous prime is 40113666435637. The next prime is 40113666435643. The reversal of 40113666435642 is 24653466631104.

It is not an unprimeable number, because it can be changed into a prime (40113666435643) 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, 292058017 + ... + 292195332.

It is an arithmetic number, because the mean of its divisors is an integer number (5014646503050).

Almost surely, 2^{40113666435642} is an apocalyptic number.

40113666435642 is an abundant number, since it is smaller than the sum of its proper divisors (40120677613158).

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

40113666435642 is a wasteful number, since it uses less digits than its factorization.

40113666435642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584264797.

The product of its (nonzero) digits is 7464960, while the sum is 51.

The spelling of 40113666435642 in words is "forty trillion, one hundred thirteen billion, six hundred sixty-six million, four hundred thirty-five thousand, six hundred forty-two".