1404706629172 has 384 divisors, whose sum is σ = 3383493120000. Its totient is φ = 503994839040.

The previous prime is 1404706629167. The next prime is 1404706629173. The reversal of 1404706629172 is 2719266074041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404706629173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3352521579 + ... + 3352521997.

It is an arithmetic number, because the mean of its divisors is an integer number (8811180000).

Almost surely, 2^{1404706629172} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404706629172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691746560000).

1404706629172 is an abundant number, since it is smaller than the sum of its proper divisors (1978786490828).

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

1404706629172 is a wasteful number, since it uses less digits than its factorization.

1404706629172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 1404706629172 in words is "one trillion, four hundred four billion, seven hundred six million, six hundred twenty-nine thousand, one hundred seventy-two".