1409520345420 has 48 divisors (see below), whose sum is σ = 4305443966208. Its totient is φ = 341701901760.

The previous prime is 1409520345407. The next prime is 1409520345437. The reversal of 1409520345420 is 245430259041.

It is a super-2 number, since 2×1409520345420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067817784 + ... + 1067819103.

It is an arithmetic number, because the mean of its divisors is an integer number (89696749296).

Almost surely, 2^{1409520345420} is an apocalyptic number.

1409520345420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1409520345420 is an abundant number, since it is smaller than the sum of its proper divisors (2895923620788).

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

1409520345420 is a wasteful number, since it uses less digits than its factorization.

1409520345420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135636910 (or 2135636908 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1409520345420 in words is "one trillion, four hundred nine billion, five hundred twenty million, three hundred forty-five thousand, four hundred twenty".