427055721120 has 288 divisors, whose sum is σ = 1738727726400. Its totient is φ = 97612687872.

The previous prime is 427055721049. The next prime is 427055721137. The reversal of 427055721120 is 21127550724.

427055721120 is a `hidden beast` number, since 4 + 2 + 70 + 5 + 572 + 1 + 12 + 0 = 666.

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 797050 + ... + 1220409.

It is an arithmetic number, because the mean of its divisors is an integer number (6037249050).

Almost surely, 2^427055721120 is an apocalyptic number.

427055721120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427055721120 is an abundant number, since it is smaller than the sum of its proper divisors (1311672005280).

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

427055721120 is a wasteful number, since it uses less digits than its factorization.

427055721120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017497 (or 2017476 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 427055721120 in words is "four hundred twenty-seven billion, fifty-five million, seven hundred twenty-one thousand, one hundred twenty".