1408129165840 has 40 divisors (see below), whose sum is σ = 3446210856960. Its totient is φ = 533606841216.

The previous prime is 1408129165837. The next prime is 1408129165901. The reversal of 1408129165840 is 485619218041.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463198864 + ... + 463201903.

It is an arithmetic number, because the mean of its divisors is an integer number (86155271424).

Almost surely, 2^{1408129165840} is an apocalyptic number.

1408129165840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408129165840 is an abundant number, since it is smaller than the sum of its proper divisors (2038081691120).

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

1408129165840 is a wasteful number, since it uses less digits than its factorization.

1408129165840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926400799 (or 926400793 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 1408129165840 in words is "one trillion, four hundred eight billion, one hundred twenty-nine million, one hundred sixty-five thousand, eight hundred forty".