1400194800 has 360 divisors, whose sum is σ = 5213478816. Its totient is φ = 346767360.

The previous prime is 1400194799. The next prime is 1400194819. The reversal of 1400194800 is 84910041.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8384317 + ... + 8384483.

Almost surely, 2^1400194800 is an apocalyptic number.

1400194800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400194800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606739408).

1400194800 is an abundant number, since it is smaller than the sum of its proper divisors (3813284016).

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

1400194800 is a wasteful number, since it uses less digits than its factorization.

1400194800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1400194800 is about 37419.1769016904. The cubic root of 1400194800 is about 1118.7408255336.

It can be divided in two parts, 14001 and 94800, that added together give a palindrome (108801).

The spelling of 1400194800 in words is "one billion, four hundred million, one hundred ninety-four thousand, eight hundred".