42500450341520 has 40 divisors (see below), whose sum is σ = 99442932723384. Its totient is φ = 16891898729472.

The previous prime is 42500450341519. The next prime is 42500450341627. The reversal of 42500450341520 is 2514305400524.

It can be written as a sum of positive squares in 4 ways, for example, as 1445111728384 + 41055338613136 = 1202128^2 + 6407444^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 1691884349 + ... + 1691909468.

Almost surely, 2^{42500450341520} is an apocalyptic number.

42500450341520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42500450341520 is an abundant number, since it is smaller than the sum of its proper divisors (56942482381864).

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

42500450341520 is a wasteful number, since it uses less digits than its factorization.

42500450341520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383793987 (or 3383793981 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 42500450341520 in words is "forty-two trillion, five hundred billion, four hundred fifty million, three hundred forty-one thousand, five hundred twenty".