402423789600 has 1152 divisors, whose sum is σ = 1756762560000. Its totient is φ = 88763351040.

The previous prime is 402423789527. The next prime is 402423789611. The reversal of 402423789600 is 6987324204.

402423789600 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 2 + 37 + 8 + 9 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 214854264 + ... + 214856136.

It is an arithmetic number, because the mean of its divisors is an integer number (1524967500).

Almost surely, 2^402423789600 is an apocalyptic number.

402423789600 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 402423789600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878381280000).

402423789600 is an abundant number, since it is smaller than the sum of its proper divisors (1354338770400).

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

402423789600 is a wasteful number, since it uses less digits than its factorization.

402423789600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 402423789600 in words is "four hundred two billion, four hundred twenty-three million, seven hundred eighty-nine thousand, six hundred".