1400304000400 has 120 divisors (see below), whose sum is σ = 3407551840224. Its totient is φ = 552948480000.

The previous prime is 1400304000391. The next prime is 1400304000419. The reversal of 1400304000400 is 40004030041.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11283487 + ... + 11406913.

Almost surely, 2^{1400304000400} is an apocalyptic number.

1400304000400 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 1400304000400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703775920112).

1400304000400 is an abundant number, since it is smaller than the sum of its proper divisors (2007247839824).

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

1400304000400 is a wasteful number, since it uses less digits than its factorization.

1400304000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123809 (or 123798 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 1400304000400 its reverse (40004030041), we get a palindrome (1440308030441).

The spelling of 1400304000400 in words is "one trillion, four hundred billion, three hundred four million, four hundred", and thus it is an aban number.