427950644540 has 12 divisors (see below), whose sum is σ = 898696353576. Its totient is φ = 171180257808.

The previous prime is 427950644507. The next prime is 427950644567. The reversal of 427950644540 is 45446059724.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 10698766094 + ... + 10698766133.

It is an arithmetic number, because the mean of its divisors is an integer number (74891362798).

Almost surely, 2^427950644540 is an apocalyptic number.

It is an amenable number.

427950644540 is an abundant number, since it is smaller than the sum of its proper divisors (470745709036).

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

427950644540 is a wasteful number, since it uses less digits than its factorization.

427950644540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21397532236 (or 21397532234 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 427950644540 in words is "four hundred twenty-seven billion, nine hundred fifty million, six hundred forty-four thousand, five hundred forty".