402240064600 has 96 divisors (see below), whose sum is σ = 1021110805440. Its totient is φ = 146142416000.

The previous prime is 402240064531. The next prime is 402240064657. The reversal of 402240064600 is 6460042204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2479995 + ... + 2637205.

It is an arithmetic number, because the mean of its divisors is an integer number (10636570890).

Almost surely, 2^402240064600 is an apocalyptic number.

402240064600 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 402240064600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510555402720).

402240064600 is an abundant number, since it is smaller than the sum of its proper divisors (618870740840).

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

402240064600 is a wasteful number, since it uses less digits than its factorization.

402240064600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158401 (or 158392 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 402240064600 in words is "four hundred two billion, two hundred forty million, sixty-four thousand, six hundred".