401127264 has 36 divisors (see below), whose sum is σ = 1140706476. Its totient is φ = 133708992.

The previous prime is 401127193. The next prime is 401127269. The reversal of 401127264 is 462721104.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401127269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 696114 + ... + 696689.

It is an arithmetic number, because the mean of its divisors is an integer number (31686291).

Almost surely, 2^401127264 is an apocalyptic number.

It is an amenable number.

401127264 is an abundant number, since it is smaller than the sum of its proper divisors (739579212).

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

401127264 is a wasteful number, since it uses less digits than its factorization.

401127264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392819 (or 1392808 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 401127264 is about 20028.1617728637. The cubic root of 401127264 is about 737.4977965653.

Adding to 401127264 its reverse (462721104), we get a palindrome (863848368).

The spelling of 401127264 in words is "four hundred one million, one hundred twenty-seven thousand, two hundred sixty-four".