400938536937041 has 4 divisors (see below), whose sum is σ = 401335899214500. Its totient is φ = 400541174659584.

The previous prime is 400938536937023. The next prime is 400938536937047. The reversal of 400938536937041 is 140739635839004.

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 56735859647041 + 344202677290000 = 7532321^2 + 18552700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400938536937041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400938536937047) 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, 198681137216 + ... + 198681139233.

It is an arithmetic number, because the mean of its divisors is an integer number (100333974803625).

Almost surely, 2^{400938536937041} is an apocalyptic number.

It is an amenable number.

400938536937041 is a deficient number, since it is larger than the sum of its proper divisors (397362277459).

400938536937041 is a wasteful number, since it uses less digits than its factorization.

400938536937041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397362277458.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 400938536937041 in words is "four hundred trillion, nine hundred thirty-eight billion, five hundred thirty-six million, nine hundred thirty-seven thousand, forty-one".