41400440401021 has 16 divisors (see below), whose sum is σ = 44945237715840. Its totient is φ = 37907350004160.

The previous prime is 41400440401003. The next prime is 41400440401027. The reversal of 41400440401021 is 12010404400414.

It is not a de Polignac number, because 41400440401021 - 2⁵ = 41400440400989 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 (41400440401027) 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, 1492945 + ... + 9221158.

It is an arithmetic number, because the mean of its divisors is an integer number (2809077357240).

Almost surely, 2^{41400440401021} is an apocalyptic number.

It is an amenable number.

41400440401021 is a deficient number, since it is larger than the sum of its proper divisors (3544797314819).

41400440401021 is a wasteful number, since it uses less digits than its factorization.

41400440401021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716516.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 41400440401021 its reverse (12010404400414), we get a palindrome (53410844801435).

The spelling of 41400440401021 in words is "forty-one trillion, four hundred billion, four hundred forty million, four hundred one thousand, twenty-one".