1420443203400 has 288 divisors, whose sum is σ = 5407653888000. Its totient is φ = 331244951040.

The previous prime is 1420443203357. The next prime is 1420443203411. The reversal of 1420443203400 is 43023440241.

It is a happy number.

1420443203400 is a `hidden beast` number, since 14 + 2 + 0 + 4 + 43 + 203 + 400 = 666.

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, 1152840 + ... + 2042039.

It is an arithmetic number, because the mean of its divisors is an integer number (18776576000).

Almost surely, 2^{1420443203400} is an apocalyptic number.

1420443203400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420443203400 is an abundant number, since it is smaller than the sum of its proper divisors (3987210684600).

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

1420443203400 is a wasteful number, since it uses less digits than its factorization.

1420443203400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194933 (or 3194921 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1420443203400 its reverse (43023440241), we get a palindrome (1463466643641).

The spelling of 1420443203400 in words is "one trillion, four hundred twenty billion, four hundred forty-three million, two hundred three thousand, four hundred".