401423360 has 176 divisors, whose sum is σ = 1071579936. Its totient is φ = 143327232.

The previous prime is 401423353. The next prime is 401423377. The reversal of 401423360 is 63324104.

It is a happy number.

It is a super-2 number, since 2×401423360² = 322281427907379200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2462639 + ... + 2462801.

Almost surely, 2^401423360 is an apocalyptic number.

401423360 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 401423360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535789968).

401423360 is an abundant number, since it is smaller than the sum of its proper divisors (670156576).

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

401423360 is a wasteful number, since it uses less digits than its factorization.

401423360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 401423360 is about 20035.5524006702. The cubic root of 401423360 is about 737.6792156630.

Adding to 401423360 its reverse (63324104), we get a palindrome (464747464).

The spelling of 401423360 in words is "four hundred one million, four hundred twenty-three thousand, three hundred sixty".