42545762620 has 24 divisors (see below), whose sum is σ = 91423919664. Its totient is φ = 16622530176.

The previous prime is 42545762599. The next prime is 42545762669. The reversal of 42545762620 is 2626754524.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 24735049 + ... + 24736768.

It is an arithmetic number, because the mean of its divisors is an integer number (3809329986).

Almost surely, 2^42545762620 is an apocalyptic number.

It is an amenable number.

42545762620 is an abundant number, since it is smaller than the sum of its proper divisors (48878157044).

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

42545762620 is a wasteful number, since it uses less digits than its factorization.

42545762620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49471869 (or 49471867 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 42545762620 in words is "forty-two billion, five hundred forty-five million, seven hundred sixty-two thousand, six hundred twenty".