1420856701440 has 160 divisors (see below), whose sum is σ = 4955238040896. Its totient is φ = 344450088960.

The previous prime is 1420856701417. The next prime is 1420856701457. The reversal of 1420856701440 is 441076580241.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 1420856701392 and 1420856701401.

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, 8324947 + ... + 8493906.

Almost surely, 2^{1420856701440} is an apocalyptic number.

1420856701440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420856701440 is an abundant number, since it is smaller than the sum of its proper divisors (3534381339456).

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

1420856701440 is a wasteful number, since it uses less digits than its factorization.

1420856701440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16818890 (or 16818874 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 1420856701440 in words is "one trillion, four hundred twenty billion, eight hundred fifty-six million, seven hundred one thousand, four hundred forty".