802416139542 has 12 divisors (see below), whose sum is σ = 1738568302380. Its totient is φ = 267472046508.

The previous prime is 802416139541. The next prime is 802416139559. The reversal of 802416139542 is 245931614208.

802416139542 is a `hidden beast` number, since 8 + 0 + 2 + 41 + 61 + 3 + 9 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802416139541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22289337192 + ... + 22289337227.

It is an arithmetic number, because the mean of its divisors is an integer number (144880691865).

Almost surely, 2^802416139542 is an apocalyptic number.

802416139542 is an abundant number, since it is smaller than the sum of its proper divisors (936152162838).

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

802416139542 is a wasteful number, since it uses less digits than its factorization.

802416139542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44578674427 (or 44578674424 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 802416139542 in words is "eight hundred two billion, four hundred sixteen million, one hundred thirty-nine thousand, five hundred forty-two".