1478778857600 has 384 divisors, whose sum is σ = 4146102936000. Its totient is φ = 516230758400.

The previous prime is 1478778857581. The next prime is 1478778857627. The reversal of 1478778857600 is 67588778741.

It is a super-2 number, since 2×1478778857600² (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 47 ways as a sum of consecutive naturals, for example, 182719154 + ... + 182727246.

Almost surely, 2^{1478778857600} is an apocalyptic number.

1478778857600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478778857600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073051468000).

1478778857600 is an abundant number, since it is smaller than the sum of its proper divisors (2667324078400).

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

1478778857600 is a wasteful number, since it uses less digits than its factorization.

1478778857600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336 (or 8319 counting only the distinct ones).

The product of its (nonzero) digits is 147517440, while the sum is 68.

The spelling of 1478778857600 in words is "one trillion, four hundred seventy-eight billion, seven hundred seventy-eight million, eight hundred fifty-seven thousand, six hundred".