10401405 has 64 divisors (see below), whose sum is σ = 20459520. Its totient is φ = 4409856.

The previous prime is 10401397. The next prime is 10401421. The reversal of 10401405 is 50410401.

It is not a de Polignac number, because 10401405 - 2³ = 10401397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142449 + ... + 142521.

It is an arithmetic number, because the mean of its divisors is an integer number (319680).

Almost surely, 2^10401405 is an apocalyptic number.

10401405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10401405 is a deficient number, since it is larger than the sum of its proper divisors (10058115).

10401405 is a wasteful number, since it uses less digits than its factorization.

10401405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10401405 is about 3225.1209279653. The cubic root of 10401405 is about 218.2884057017.

Adding to 10401405 its reverse (50410401), we get a palindrome (60811806).

The spelling of 10401405 in words is "ten million, four hundred one thousand, four hundred five".