40108147817642 has 16 divisors (see below), whose sum is σ = 60187813064064. Its totient is φ = 20045544354000.

The previous prime is 40108147817597. The next prime is 40108147817663. The reversal of 40108147817642 is 24671874180104.

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, 94028267 + ... + 94453857.

It is an arithmetic number, because the mean of its divisors is an integer number (3761738316504).

Almost surely, 2^{40108147817642} is an apocalyptic number.

40108147817642 is a deficient number, since it is larger than the sum of its proper divisors (20079665246422).

40108147817642 is a wasteful number, since it uses less digits than its factorization.

40108147817642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445525.

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 40108147817642 in words is "forty trillion, one hundred eight billion, one hundred forty-seven million, eight hundred seventeen thousand, six hundred forty-two".