42648785415 has 64 divisors (see below), whose sum is σ = 76878345600. Its totient is φ = 22709808000.

The previous prime is 42648785407. The next prime is 42648785419. The reversal of 42648785415 is 51458784624.

42648785415 is a `hidden beast` number, since 4 + 26 + 4 + 8 + 78 + 541 + 5 = 666.

It is not a de Polignac number, because 42648785415 - 2³ = 42648785407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42648785419) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7750165 + ... + 7755665.

It is an arithmetic number, because the mean of its divisors is an integer number (1201224150).

Almost surely, 2^42648785415 is an apocalyptic number.

42648785415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42648785415 is a deficient number, since it is larger than the sum of its proper divisors (34229560185).

42648785415 is an frugal number, since it uses more digits than its factorization.

42648785415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236 (or 6218 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 42648785415 in words is "forty-two billion, six hundred forty-eight million, seven hundred eighty-five thousand, four hundred fifteen".