840060231572 has 24 divisors (see below), whose sum is σ = 1473540694080. Its totient is φ = 419048879040.

The previous prime is 840060231553. The next prime is 840060231583. The reversal of 840060231572 is 275132060048.

It is a happy number.

It is a congruent number.

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, 13846079 + ... + 13906617.

It is an arithmetic number, because the mean of its divisors is an integer number (61397528920).

Almost surely, 2^840060231572 is an apocalyptic number.

It is an amenable number.

840060231572 is a deficient number, since it is larger than the sum of its proper divisors (633480462508).

840060231572 is a wasteful number, since it uses less digits than its factorization.

840060231572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68591 (or 68589 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 840060231572 in words is "eight hundred forty billion, sixty million, two hundred thirty-one thousand, five hundred seventy-two".