42847178503440 has 40 divisors (see below), whose sum is σ = 132826253361408. Its totient is φ = 11425914267520.

The previous prime is 42847178503427. The next prime is 42847178503513. The reversal of 42847178503440 is 4430587174824.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 89264954976 + ... + 89264955455.

Almost surely, 2^{42847178503440} is an apocalyptic number.

42847178503440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42847178503440 is an abundant number, since it is smaller than the sum of its proper divisors (89979074857968).

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

42847178503440 is a wasteful number, since it uses less digits than its factorization.

42847178503440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178529910447 (or 178529910441 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 57.

The spelling of 42847178503440 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred seventy-eight million, five hundred three thousand, four hundred forty".