1400178213680 has 20 divisors (see below), whose sum is σ = 3255414346992. Its totient is φ = 560071285440.

The previous prime is 1400178213673. The next prime is 1400178213719. The reversal of 1400178213680 is 863128710041.

It is a tau number, because it is divible by the number of its divisors (20).

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, 8751113756 + ... + 8751113915.

Almost surely, 2^{1400178213680} is an apocalyptic number.

1400178213680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400178213680 is an abundant number, since it is smaller than the sum of its proper divisors (1855236133312).

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

1400178213680 is a wasteful number, since it uses less digits than its factorization.

1400178213680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502227684 (or 17502227678 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 1400178213680 in words is "one trillion, four hundred billion, one hundred seventy-eight million, two hundred thirteen thousand, six hundred eighty".