401795493 has 32 divisors (see below), whose sum is σ = 640172160. Its totient is φ = 221276160.

The previous prime is 401795417. The next prime is 401795503. The reversal of 401795493 is 394597104.

It is not a de Polignac number, because 401795493 - 2¹³ = 401787301 is a prime.

It is a super-2 number, since 2×401795493² = 322879236390226098, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401795293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3921 + ... + 28617.

It is an arithmetic number, because the mean of its divisors is an integer number (20005380).

Almost surely, 2^401795493 is an apocalyptic number.

It is an amenable number.

401795493 is a deficient number, since it is larger than the sum of its proper divisors (238376667).

401795493 is a wasteful number, since it uses less digits than its factorization.

401795493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24757.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 401795493 is about 20044.8370659380. The cubic root of 401795493 is about 737.9070964346.

The spelling of 401795493 in words is "four hundred one million, seven hundred ninety-five thousand, four hundred ninety-three".