427233978140 has 24 divisors (see below), whose sum is σ = 900682381872. Its totient is φ = 170228633600.

The previous prime is 427233978121. The next prime is 427233978151. The reversal of 427233978140 is 41879332724.

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, 41554586 + ... + 41564865.

It is an arithmetic number, because the mean of its divisors is an integer number (37528432578).

Almost surely, 2^427233978140 is an apocalyptic number.

It is an amenable number.

427233978140 is an abundant number, since it is smaller than the sum of its proper divisors (473448403732).

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

427233978140 is a wasteful number, since it uses less digits than its factorization.

427233978140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83119717 (or 83119715 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 427233978140 in words is "four hundred twenty-seven billion, two hundred thirty-three million, nine hundred seventy-eight thousand, one hundred forty".