42400140311 has 2 divisors, whose sum is σ = 42400140312. Its totient is φ = 42400140310.

The previous prime is 42400140271. The next prime is 42400140337. The reversal of 42400140311 is 11304100424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42400140311 - 2³⁴ = 25220271127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42400145311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200070155 + 21200070156.

It is an arithmetic number, because the mean of its divisors is an integer number (21200070156).

Almost surely, 2^42400140311 is an apocalyptic number.

42400140311 is a deficient number, since it is larger than the sum of its proper divisors (1).

42400140311 is an equidigital number, since it uses as much as digits as its factorization.

42400140311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 42400140311 its reverse (11304100424), we get a palindrome (53704240735).

The spelling of 42400140311 in words is "forty-two billion, four hundred million, one hundred forty thousand, three hundred eleven".