40003401 has 8 divisors (see below), whose sum is σ = 54779584. Its totient is φ = 25948080.

The previous prime is 40003391. The next prime is 40003409. The reversal of 40003401 is 10430004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40003401 - 2⁷ = 40003273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40003409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180085 + ... + 180306.

It is an arithmetic number, because the mean of its divisors is an integer number (6847448).

Almost surely, 2^40003401 is an apocalyptic number.

It is an amenable number.

40003401 is a deficient number, since it is larger than the sum of its proper divisors (14776183).

40003401 is a wasteful number, since it uses less digits than its factorization.

40003401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360431.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40003401 is about 6324.8241872798. The cubic root of 40003401 is about 342.0048817743.

Adding to 40003401 its reverse (10430004), we get a palindrome (50433405).

It can be divided in two parts, 40003 and 401, that added together give a palindrome (40404).

The spelling of 40003401 in words is "forty million, three thousand, four hundred one".