84237918253040 has 20 divisors (see below), whose sum is σ = 195853159938504. Its totient is φ = 33695167301184.

The previous prime is 84237918253039. The next prime is 84237918253087. The reversal of 84237918253040 is 4035281973248.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526486989002 + ... + 526486989161.

Almost surely, 2^{84237918253040} is an apocalyptic number.

84237918253040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84237918253040 is an abundant number, since it is smaller than the sum of its proper divisors (111615241685464).

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

84237918253040 is a wasteful number, since it uses less digits than its factorization.

84237918253040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052973978176 (or 1052973978170 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 84237918253040 in words is "eighty-four trillion, two hundred thirty-seven billion, nine hundred eighteen million, two hundred fifty-three thousand, forty".