42551751900500 has 48 divisors (see below), whose sum is σ = 97824238075200. Its totient is φ = 16124874400800.

The previous prime is 42551751900491. The next prime is 42551751900523. The reversal of 42551751900500 is 500915715524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239556390 + ... + 2239575389.

It is an arithmetic number, because the mean of its divisors is an integer number (2038004959900).

Almost surely, 2^{42551751900500} is an apocalyptic number.

It is an amenable number.

42551751900500 is an abundant number, since it is smaller than the sum of its proper divisors (55272486174700).

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

42551751900500 is a wasteful number, since it uses less digits than its factorization.

42551751900500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479131817 (or 4479131805 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 44.

The spelling of 42551751900500 in words is "forty-two trillion, five hundred fifty-one billion, seven hundred fifty-one million, nine hundred thousand, five hundred".