402344201000 has 64 divisors (see below), whose sum is σ = 1075983367680. Its totient is φ = 137946580800.

The previous prime is 402344200991. The next prime is 402344201003. The reversal of 402344201000 is 102443204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (402344201003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28731872 + ... + 28745871.

It is an arithmetic number, because the mean of its divisors is an integer number (16812240120).

Almost surely, 2^402344201000 is an apocalyptic number.

402344201000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402344201000 is an abundant number, since it is smaller than the sum of its proper divisors (673639166680).

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

402344201000 is a wasteful number, since it uses less digits than its factorization.

402344201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57477771 (or 57477757 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402344201000 its reverse (102443204), we get a palindrome (402446644204).

The spelling of 402344201000 in words is "four hundred two billion, three hundred forty-four million, two hundred one thousand".