42475742727420 has 24 divisors (see below), whose sum is σ = 118932079636944. Its totient is φ = 11326864727296.

The previous prime is 42475742727391. The next prime is 42475742727437. The reversal of 42475742727420 is 2472724757424.

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, 353964522669 + ... + 353964522788.

It is an arithmetic number, because the mean of its divisors is an integer number (4955503318206).

Almost surely, 2^{42475742727420} is an apocalyptic number.

It is an amenable number.

42475742727420 is an abundant number, since it is smaller than the sum of its proper divisors (76456336909524).

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

42475742727420 is a wasteful number, since it uses less digits than its factorization.

42475742727420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707929045469 (or 707929045467 counting only the distinct ones).

The product of its (nonzero) digits is 49172480, while the sum is 57.

The spelling of 42475742727420 in words is "forty-two trillion, four hundred seventy-five billion, seven hundred forty-two million, seven hundred twenty-seven thousand, four hundred twenty".