1420039425428 has 24 divisors (see below), whose sum is σ = 2681723530752. Its totient is φ = 654057003744.

The previous prime is 1420039425403. The next prime is 1420039425443. The reversal of 1420039425428 is 8245249300241.

It is a super-3 number, since 3×1420039425428³ (a number of 37 digits) contains 333 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28012100 + ... + 28062747.

It is an arithmetic number, because the mean of its divisors is an integer number (111738480448).

Almost surely, 2^{1420039425428} is an apocalyptic number.

It is an amenable number.

1420039425428 is a deficient number, since it is larger than the sum of its proper divisors (1261684105324).

1420039425428 is a wasteful number, since it uses less digits than its factorization.

1420039425428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56075351 (or 56075349 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 1420039425428 in words is "one trillion, four hundred twenty billion, thirty-nine million, four hundred twenty-five thousand, four hundred twenty-eight".