1420671450516 has 24 divisors (see below), whose sum is σ = 3349074281280. Its totient is φ = 468675117312.

The previous prime is 1420671450461. The next prime is 1420671450529. The reversal of 1420671450516 is 6150541760241.

It is a super-2 number, since 2×1420671450516² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610252896 + ... + 610255223.

It is an arithmetic number, because the mean of its divisors is an integer number (139544761720).

Almost surely, 2^{1420671450516} is an apocalyptic number.

It is an amenable number.

1420671450516 is an abundant number, since it is smaller than the sum of its proper divisors (1928402830764).

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

1420671450516 is a wasteful number, since it uses less digits than its factorization.

1420671450516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220508223 (or 1220508221 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 1420671450516 in words is "one trillion, four hundred twenty billion, six hundred seventy-one million, four hundred fifty thousand, five hundred sixteen".