1404140165040 has 40 divisors (see below), whose sum is σ = 4352834512368. Its totient is φ = 374437377280.

The previous prime is 1404140165003. The next prime is 1404140165041. The reversal of 1404140165040 is 405610414041.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1404140164989 and 1404140165007.

It is not an unprimeable number, because it can be changed into a prime (1404140165041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2925291771 + ... + 2925292250.

Almost surely, 2^{1404140165040} is an apocalyptic number.

1404140165040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404140165040 is an abundant number, since it is smaller than the sum of its proper divisors (2948694347328).

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

1404140165040 is a wasteful number, since it uses less digits than its factorization.

1404140165040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850584037 (or 5850584031 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1404140165040 its reverse (405610414041), we get a palindrome (1809750579081).

The spelling of 1404140165040 in words is "one trillion, four hundred four billion, one hundred forty million, one hundred sixty-five thousand, forty".