1032640000078 has 4 divisors (see below), whose sum is σ = 1548960000120. Its totient is φ = 516320000038.

The previous prime is 1032640000069. The next prime is 1032640000087. The reversal of 1032640000078 is 8700000462301.

1032640000078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1032640000069) and next prime (1032640000087).

It is a super-2 number, since 2×1032640000078² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258160000018 + ... + 258160000021.

It is an arithmetic number, because the mean of its divisors is an integer number (387240000030).

Almost surely, 2^{1032640000078} is an apocalyptic number.

1032640000078 is a deficient number, since it is larger than the sum of its proper divisors (516320000042).

1032640000078 is an equidigital number, since it uses as much as digits as its factorization.

1032640000078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516320000041.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 1032640000078 its reverse (8700000462301), we get a palindrome (9732640462379).

The spelling of 1032640000078 in words is "one trillion, thirty-two billion, six hundred forty million, seventy-eight", and thus it is an aban number.