61482447018 has 24 divisors (see below), whose sum is σ = 135088196256. Its totient is φ = 20205498600.

The previous prime is 61482447011. The next prime is 61482447097. The reversal of 61482447018 is 81074428416.

61482447018 is a `hidden beast` number, since 6 + 148 + 24 + 470 + 18 = 666.

It is not an unprimeable number, because it can be changed into a prime (61482447011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24052888 + ... + 24055443.

It is an arithmetic number, because the mean of its divisors is an integer number (5628674844).

Almost surely, 2^61482447018 is an apocalyptic number.

61482447018 is an abundant number, since it is smaller than the sum of its proper divisors (73605749238).

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

61482447018 is a wasteful number, since it uses less digits than its factorization.

61482447018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48108410 (or 48108407 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 61482447018 in words is "sixty-one billion, four hundred eighty-two million, four hundred forty-seven thousand, eighteen".