427374489600 has 624 divisors, whose sum is σ = 1578129171840. Its totient is φ = 113378918400.

The previous prime is 427374489589. The next prime is 427374489631. The reversal of 427374489600 is 6984473724.

427374489600 is a `hidden beast` number, since 4 + 27 + 3 + 7 + 4 + 4 + 8 + 9 + 600 = 666.

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

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, 915148567 + ... + 915149033.

It is an arithmetic number, because the mean of its divisors is an integer number (2529053160).

Almost surely, 2^427374489600 is an apocalyptic number.

427374489600 is a gapful number since it is divisible by the number (40) 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 427374489600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789064585920).

427374489600 is an abundant number, since it is smaller than the sum of its proper divisors (1150754682240).

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

427374489600 is a wasteful number, since it uses less digits than its factorization.

427374489600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 427374489600 in words is "four hundred twenty-seven billion, three hundred seventy-four million, four hundred eighty-nine thousand, six hundred".