1970042816 has 56 divisors (see below), whose sum is σ = 4702942080. Its totient is φ = 799863552.

The previous prime is 1970042801. The next prime is 1970042831. The reversal of 1970042816 is 6182400791.

It is an interprime number because it is at equal distance from previous prime (1970042801) and next prime (1970042831).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 1970042816.

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, 107210 + ... + 124233.

Almost surely, 2^1970042816 is an apocalyptic number.

1970042816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1970042816 is an abundant number, since it is smaller than the sum of its proper divisors (2732899264).

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

1970042816 is a wasteful number, since it uses less digits than its factorization.

1970042816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231481 (or 231471 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1970042816 is about 44385.1643682886. The cubic root of 1970042816 is about 1253.5987632594.

The spelling of 1970042816 in words is "one billion, nine hundred seventy million, forty-two thousand, eight hundred sixteen".