401171760 has 240 divisors, whose sum is σ = 1510572960. Its totient is φ = 94625280.

The previous prime is 401171759. The next prime is 401171767. The reversal of 401171760 is 67171104.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401171767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10842462 + ... + 10842498.

It is an arithmetic number, because the mean of its divisors is an integer number (6294054).

Almost surely, 2^401171760 is an apocalyptic number.

401171760 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 401171760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755286480).

401171760 is an abundant number, since it is smaller than the sum of its proper divisors (1109401200).

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

401171760 is a wasteful number, since it uses less digits than its factorization.

401171760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 401171760 is about 20029.2725779046. The cubic root of 401171760 is about 737.5250651253.

The spelling of 401171760 in words is "four hundred one million, one hundred seventy-one thousand, seven hundred sixty".