1420663035264 has 256 divisors, whose sum is σ = 4216689792000. Its totient is φ = 420152371200.

The previous prime is 1420663035251. The next prime is 1420663035269. The reversal of 1420663035264 is 4625303660241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420663035269) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 34620519 + ... + 34661529.

It is an arithmetic number, because the mean of its divisors is an integer number (16471444500).

Almost surely, 2^{1420663035264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420663035264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2108344896000).

1420663035264 is an abundant number, since it is smaller than the sum of its proper divisors (2796026756736).

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

1420663035264 is a wasteful number, since it uses less digits than its factorization.

1420663035264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41237 (or 41225 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 1420663035264 in words is "one trillion, four hundred twenty billion, six hundred sixty-three million, thirty-five thousand, two hundred sixty-four".