40051401259 has 2 divisors, whose sum is σ = 40051401260. Its totient is φ = 40051401258.

The previous prime is 40051401251. The next prime is 40051401263. The reversal of 40051401259 is 95210415004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40051401259 - 2³ = 40051401251 is a prime.

It is a super-2 number, since 2×40051401259² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40051401259.

It is not a weakly prime, because it can be changed into another prime (40051401251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025700629 + 20025700630.

It is an arithmetic number, because the mean of its divisors is an integer number (20025700630).

Almost surely, 2^40051401259 is an apocalyptic number.

40051401259 is a deficient number, since it is larger than the sum of its proper divisors (1).

40051401259 is an equidigital number, since it uses as much as digits as its factorization.

40051401259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 40051401259 in words is "forty billion, fifty-one million, four hundred one thousand, two hundred fifty-nine".