41388420642 has 16 divisors (see below), whose sum is σ = 83942713152. Its totient is φ = 13601828240.

The previous prime is 41388420589. The next prime is 41388420659. The reversal of 41388420642 is 24602488314.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 41388420594 and 41388420603.

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, 48577533 + ... + 48578384.

It is an arithmetic number, because the mean of its divisors is an integer number (5246419572).

Almost surely, 2^41388420642 is an apocalyptic number.

41388420642 is an abundant number, since it is smaller than the sum of its proper divisors (42554292510).

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

41388420642 is a wasteful number, since it uses less digits than its factorization.

41388420642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97155993.

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 41388420642 in words is "forty-one billion, three hundred eighty-eight million, four hundred twenty thousand, six hundred forty-two".