402460800 has 384 divisors, whose sum is σ = 1557221760. Its totient is φ = 89456640.

The previous prime is 402460789. The next prime is 402460823. The reversal of 402460800 is 8064204.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3561544 + ... + 3561656.

It is an arithmetic number, because the mean of its divisors is an integer number (4055265).

Almost surely, 2^402460800 is an apocalyptic number.

402460800 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 402460800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778610880).

402460800 is an abundant number, since it is smaller than the sum of its proper divisors (1154760960).

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

402460800 is a wasteful number, since it uses less digits than its factorization.

402460800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 402460800 is about 20061.4256721700. The cubic root of 402460800 is about 738.3141559505.

The spelling of 402460800 in words is "four hundred two million, four hundred sixty thousand, eight hundred".