1421768574720 has 288 divisors, whose sum is σ = 5433405768000. Its totient is φ = 349973692416.

The previous prime is 1421768574719. The next prime is 1421768574761. The reversal of 1421768574720 is 274758671241.

1421768574720 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 7 + 68 + 574 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1421768574720² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1132995 + ... + 2031554.

It is an arithmetic number, because the mean of its divisors is an integer number (18865992250).

Almost surely, 2^{1421768574720} is an apocalyptic number.

1421768574720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421768574720 is an abundant number, since it is smaller than the sum of its proper divisors (4011637193280).

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

1421768574720 is a wasteful number, since it uses less digits than its factorization.

1421768574720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164592 (or 3164572 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 1421768574720 in words is "one trillion, four hundred twenty-one billion, seven hundred sixty-eight million, five hundred seventy-four thousand, seven hundred twenty".