401063936 has 120 divisors (see below), whose sum is σ = 990874080. Its totient is φ = 158072832.

The previous prime is 401063917. The next prime is 401063941. The reversal of 401063936 is 639360104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490810 + ... + 1491078.

It is an arithmetic number, because the mean of its divisors is an integer number (8257284).

Almost surely, 2^401063936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401063936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495437040).

401063936 is an abundant number, since it is smaller than the sum of its proper divisors (589810144).

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

401063936 is an equidigital number, since it uses as much as digits as its factorization.

401063936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 401063936 is about 20026.5807366110. The cubic root of 401063936 is about 737.4589836808.

The spelling of 401063936 in words is "four hundred one million, sixty-three thousand, nine hundred thirty-six".