1002457660218 has 32 divisors (see below), whose sum is σ = 2365245726720. Its totient is φ = 277177232880.

The previous prime is 1002457660129. The next prime is 1002457660219. The reversal of 1002457660218 is 8120667542001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1002457660218.

It is not an unprimeable number, because it can be changed into a prime (1002457660219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384967078 + ... + 384969681.

It is an arithmetic number, because the mean of its divisors is an integer number (73913928960).

Almost surely, 2^{1002457660218} is an apocalyptic number.

1002457660218 is an abundant number, since it is smaller than the sum of its proper divisors (1362788066502).

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

1002457660218 is a wasteful number, since it uses less digits than its factorization.

1002457660218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769936802.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 1002457660218 in words is "one trillion, two billion, four hundred fifty-seven million, six hundred sixty thousand, two hundred eighteen".