1421451763200 has 2400 divisors, whose sum is σ = 6544607243328. Its totient is φ = 297271296000.

The previous prime is 1421451763139. The next prime is 1421451763213. The reversal of 1421451763200 is 23671541241.

1421451763200 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 4 + 5 + 17 + 632 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2400).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 5058547060 + ... + 5058547340.

Almost surely, 2^{1421451763200} is an apocalyptic number.

1421451763200 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 1421451763200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3272303621664).

1421451763200 is an abundant number, since it is smaller than the sum of its proper divisors (5123155480128).

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

1421451763200 is a wasteful number, since it uses less digits than its factorization.

1421451763200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 1421451763200 in words is "one trillion, four hundred twenty-one billion, four hundred fifty-one million, seven hundred sixty-three thousand, two hundred".