1684396225400 has 96 divisors (see below), whose sum is σ = 4476019409280. Its totient is φ = 577463664000.

The previous prime is 1684396225387. The next prime is 1684396225409. The reversal of 1684396225400 is 45226934861.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684396225409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22490015 + ... + 22564785.

It is an arithmetic number, because the mean of its divisors is an integer number (46625202180).

Almost surely, 2^{1684396225400} is an apocalyptic number.

1684396225400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1684396225400 is an abundant number, since it is smaller than the sum of its proper divisors (2791623183880).

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

1684396225400 is a wasteful number, since it uses less digits than its factorization.

1684396225400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90885 (or 90876 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 1684396225400 in words is "one trillion, six hundred eighty-four billion, three hundred ninety-six million, two hundred twenty-five thousand, four hundred".