1398801548660 has 48 divisors (see below), whose sum is σ = 3097580270400. Its totient is φ = 529130571264.

The previous prime is 1398801548609. The next prime is 1398801548699. The reversal of 1398801548660 is 668451088931.

It is a happy number.

It is a super-2 number, since 2×1398801548660² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1398801548660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3055205 + ... + 3483084.

It is an arithmetic number, because the mean of its divisors is an integer number (64532922300).

Almost surely, 2^{1398801548660} is an apocalyptic number.

1398801548660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1398801548660 is an abundant number, since it is smaller than the sum of its proper divisors (1698778721740).

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

1398801548660 is a wasteful number, since it uses less digits than its factorization.

1398801548660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538880 (or 6538878 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 1398801548660 in words is "one trillion, three hundred ninety-eight billion, eight hundred one million, five hundred forty-eight thousand, six hundred sixty".