442525151022540 has 48 divisors (see below), whose sum is σ = 1311956918328672. Its totient is φ = 111065135942656.

The previous prime is 442525151022511. The next prime is 442525151022547. The reversal of 442525151022540 is 45220151525244.

It is a junction number, because it is equal to n+sod(n) for n = 442525151022492 and 442525151022501.

It is not an unprimeable number, because it can be changed into a prime (442525151022547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216924092619 + ... + 216924094658.

It is an arithmetic number, because the mean of its divisors is an integer number (27332435798514).

Almost surely, 2^{442525151022540} is an apocalyptic number.

It is an amenable number.

442525151022540 is an abundant number, since it is smaller than the sum of its proper divisors (869431767306132).

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

442525151022540 is a wasteful number, since it uses less digits than its factorization.

442525151022540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433848187306 (or 433848187304 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 42.

The spelling of 442525151022540 in words is "four hundred forty-two trillion, five hundred twenty-five billion, one hundred fifty-one million, twenty-two thousand, five hundred forty".