1578978344410 has 32 divisors (see below), whose sum is σ = 2991903480000. Its totient is φ = 598318680960.

The previous prime is 1578978344407. The next prime is 1578978344423. The reversal of 1578978344410 is 144438798751.

It is a happy number.

It is a super-2 number, since 2×1578978344410² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3642105 + ... + 4052515.

It is an arithmetic number, because the mean of its divisors is an integer number (93496983750).

Almost surely, 2^{1578978344410} is an apocalyptic number.

1578978344410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1578978344410 is a deficient number, since it is larger than the sum of its proper divisors (1412925135590).

1578978344410 is a wasteful number, since it uses less digits than its factorization.

1578978344410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430686.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 1578978344410 in words is "one trillion, five hundred seventy-eight billion, nine hundred seventy-eight million, three hundred forty-four thousand, four hundred ten".