40100401 has 8 divisors (see below), whose sum is σ = 43859808. Its totient is φ = 36360000.

The previous prime is 40100387. The next prime is 40100441. The reversal of 40100401 is 10400104.

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

It is a cyclic number.

It is not a de Polignac number, because 40100401 - 2¹¹ = 40098353 is a prime.

It is a deceptive number, since it divides R_40100400.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40100441) 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, 135 + ... + 8956.

It is an arithmetic number, because the mean of its divisors is an integer number (5482476).

Almost surely, 2^40100401 is an apocalyptic number.

It is an amenable number.

40100401 is a deficient number, since it is larger than the sum of its proper divisors (3759407).

40100401 is a wasteful number, since it uses less digits than its factorization.

40100401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40100401 is about 6332.4877417963. The cubic root of 40100401 is about 342.2810890885.

Adding to 40100401 its reverse (10400104), we get a palindrome (50500505).

It can be divided in two parts, 40100 and 401, that multiplied together give a square (16080100 = 4010²).

The spelling of 40100401 in words is "forty million, one hundred thousand, four hundred one".