400141140979 has 2 divisors, whose sum is σ = 400141140980. Its totient is φ = 400141140978.

The previous prime is 400141140901. The next prime is 400141141013. The reversal of 400141140979 is 979041141004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400141140979 - 2⁷ = 400141140851 is a prime.

It is a super-2 number, since 2×400141140979² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (400141140479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200070570489 + 200070570490.

It is an arithmetic number, because the mean of its divisors is an integer number (200070570490).

Almost surely, 2^400141140979 is an apocalyptic number.

400141140979 is a deficient number, since it is larger than the sum of its proper divisors (1).

400141140979 is an equidigital number, since it uses as much as digits as its factorization.

400141140979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 400141140979 in words is "four hundred billion, one hundred forty-one million, one hundred forty thousand, nine hundred seventy-nine".