1420434420400 has 30 divisors (see below), whose sum is σ = 3412593695972. Its totient is φ = 568173768000.

The previous prime is 1420434420341. The next prime is 1420434420451. The reversal of 1420434420400 is 40244340241.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1775542626 + ... + 1775543425.

Almost surely, 2^{1420434420400} is an apocalyptic number.

1420434420400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420434420400 is an abundant number, since it is smaller than the sum of its proper divisors (1992159275572).

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

1420434420400 is a wasteful number, since it uses less digits than its factorization.

1420434420400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551086069 (or 3551086058 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 1420434420400 its reverse (40244340241), we get a palindrome (1460678760641).

The spelling of 1420434420400 in words is "one trillion, four hundred twenty billion, four hundred thirty-four million, four hundred twenty thousand, four hundred".