40012040101 has 16 divisors (see below), whose sum is σ = 45078547968. Its totient is φ = 35184801600.

The previous prime is 40012040087. The next prime is 40012040129. The reversal of 40012040101 is 10104021004.

40012040101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40012040101 - 2⁵ = 40012040069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012040401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736591 + ... + 789043.

It is an arithmetic number, because the mean of its divisors is an integer number (2817409248).

Almost surely, 2^40012040101 is an apocalyptic number.

It is an amenable number.

40012040101 is a deficient number, since it is larger than the sum of its proper divisors (5066507867).

40012040101 is a wasteful number, since it uses less digits than its factorization.

40012040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54732.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 40012040101 its reverse (10104021004), we get a palindrome (50116061105).

The spelling of 40012040101 in words is "forty billion, twelve million, forty thousand, one hundred one".