1420994644992 has 352 divisors, whose sum is σ = 4555017152000. Its totient is φ = 435010093056.

The previous prime is 1420994644969. The next prime is 1420994645027. The reversal of 1420994644992 is 2994464990241.

1420994644992 is a `hidden beast` number, since 1 + 42 + 0 + 9 + 9 + 464 + 49 + 92 = 666.

It is a super-2 number, since 2×1420994644992² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71515443 + ... + 71535309.

Almost surely, 2^{1420994644992} is an apocalyptic number.

1420994644992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420994644992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2277508576000).

1420994644992 is an abundant number, since it is smaller than the sum of its proper divisors (3134022507008).

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

1420994644992 is a wasteful number, since it uses less digits than its factorization.

1420994644992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20108 (or 20084 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 1420994644992 in words is "one trillion, four hundred twenty billion, nine hundred ninety-four million, six hundred forty-four thousand, nine hundred ninety-two".