402441104400 has 60 divisors (see below), whose sum is σ = 1289153008272. Its totient is φ = 107317627520.

The previous prime is 402441104389. The next prime is 402441104407. The reversal of 402441104400 is 4401144204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (402441104407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167682594 + ... + 167684993.

Almost surely, 2^402441104400 is an apocalyptic number.

402441104400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402441104400 is an abundant number, since it is smaller than the sum of its proper divisors (886711903872).

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

402441104400 is a wasteful number, since it uses less digits than its factorization.

402441104400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335367608 (or 335367597 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 402441104400 its reverse (4401144204), we get a palindrome (406842248604).

The spelling of 402441104400 in words is "four hundred two billion, four hundred forty-one million, one hundred four thousand, four hundred".