407040101 has 4 divisors (see below), whose sum is σ = 438350892. Its totient is φ = 375729312.

The previous prime is 407040079. The next prime is 407040113. The reversal of 407040101 is 101040704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253924225 + 153115876 = 15935^2 + 12374^2 .

It is a cyclic number.

It is not a de Polignac number, because 407040101 - 2⁶ = 407040037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 407040101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407040181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15655376 + ... + 15655401.

It is an arithmetic number, because the mean of its divisors is an integer number (109587723).

Almost surely, 2^407040101 is an apocalyptic number.

It is an amenable number.

407040101 is a deficient number, since it is larger than the sum of its proper divisors (31310791).

407040101 is a wasteful number, since it uses less digits than its factorization.

407040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31310790.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 407040101 is about 20175.2348437385. The cubic root of 407040101 is about 741.1038438330.

Adding to 407040101 its reverse (101040704), we get a palindrome (508080805).

The spelling of 407040101 in words is "four hundred seven million, forty thousand, one hundred one".