1420100768 has 24 divisors (see below), whose sum is σ = 2892232980. Its totient is φ = 685565440.

The previous prime is 1420100687. The next prime is 1420100777. The reversal of 1420100768 is 8670010241.

It can be written as a sum of positive squares in 2 ways, for example, as 1414662544 + 5438224 = 37612^2 + 2332^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 1420100768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764213 + ... + 766068.

Almost surely, 2^1420100768 is an apocalyptic number.

It is an amenable number.

1420100768 is an abundant number, since it is smaller than the sum of its proper divisors (1472132212).

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

1420100768 is a wasteful number, since it uses less digits than its factorization.

1420100768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530320 (or 1530312 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1420100768 is about 37684.2243916470. The cubic root of 1420100768 is about 1124.0174513824.

The spelling of 1420100768 in words is "one billion, four hundred twenty million, one hundred thousand, seven hundred sixty-eight".