1340415305220 has 24 divisors (see below), whose sum is σ = 3753162854784. Its totient is φ = 357444081376.

The previous prime is 1340415305149. The next prime is 1340415305231. The reversal of 1340415305220 is 225035140431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11170127484 + ... + 11170127603.

It is an arithmetic number, because the mean of its divisors is an integer number (156381785616).

Almost surely, 2^{1340415305220} is an apocalyptic number.

1340415305220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340415305220 is an abundant number, since it is smaller than the sum of its proper divisors (2412747549564).

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

1340415305220 is a wasteful number, since it uses less digits than its factorization.

1340415305220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22340255099 (or 22340255097 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 1340415305220 in words is "one trillion, three hundred forty billion, four hundred fifteen million, three hundred five thousand, two hundred twenty".