427745647032540 has 48 divisors (see below), whose sum is σ = 1198171335648672. Its totient is φ = 114019455974656.

The previous prime is 427745647032433. The next prime is 427745647032559. The reversal of 427745647032540 is 45230746547724.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438909539 + ... + 1439206778.

It is an arithmetic number, because the mean of its divisors is an integer number (24961902826014).

Almost surely, 2^{427745647032540} is an apocalyptic number.

It is an amenable number.

427745647032540 is an abundant number, since it is smaller than the sum of its proper divisors (770425688616132).

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

427745647032540 is a wasteful number, since it uses less digits than its factorization.

427745647032540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878118806 (or 2878118804 counting only the distinct ones).

The product of its (nonzero) digits is 158054400, while the sum is 60.

The spelling of 427745647032540 in words is "four hundred twenty-seven trillion, seven hundred forty-five billion, six hundred forty-seven million, thirty-two thousand, five hundred forty".