400141140901 has 2 divisors, whose sum is σ = 400141140902. Its totient is φ = 400141140900.

The previous prime is 400141140881. The next prime is 400141140979. The reversal of 400141140901 is 109041141004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337015080900 + 63126060001 = 580530^2 + 251249^2 .

It is a cyclic number.

It is not a de Polignac number, because 400141140901 - 2²⁹ = 399604269989 is a prime.

It is a super-2 number, since 2×400141140901² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400141140101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200070570450 + 200070570451.

It is an arithmetic number, because the mean of its divisors is an integer number (200070570451).

Almost surely, 2^400141140901 is an apocalyptic number.

It is an amenable number.

400141140901 is a deficient number, since it is larger than the sum of its proper divisors (1).

400141140901 is an equidigital number, since it uses as much as digits as its factorization.

400141140901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 400141140901 its reverse (109041141004), we get a palindrome (509182281905).

The spelling of 400141140901 in words is "four hundred billion, one hundred forty-one million, one hundred forty thousand, nine hundred one".