427661940430 has 48 divisors (see below), whose sum is σ = 805284174240. Its totient is φ = 163511625024.

The previous prime is 427661940421. The next prime is 427661940467. The reversal of 427661940430 is 34049166724.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7658551 + ... + 7714189.

It is an arithmetic number, because the mean of its divisors is an integer number (16776753630).

Almost surely, 2^427661940430 is an apocalyptic number.

427661940430 is a deficient number, since it is larger than the sum of its proper divisors (377622233810).

427661940430 is a wasteful number, since it uses less digits than its factorization.

427661940430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57145 (or 57122 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 427661940430 in words is "four hundred twenty-seven billion, six hundred sixty-one million, nine hundred forty thousand, four hundred thirty".