40013125279 has 2 divisors, whose sum is σ = 40013125280. Its totient is φ = 40013125278.

The previous prime is 40013125249. The next prime is 40013125309. The reversal of 40013125279 is 97252131004.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40013125249) and next prime (40013125309).

It is a cyclic number.

It is not a de Polignac number, because 40013125279 - 2²⁵ = 39979570847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40013125249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006562639 + 20006562640.

It is an arithmetic number, because the mean of its divisors is an integer number (20006562640).

Almost surely, 2^40013125279 is an apocalyptic number.

40013125279 is a deficient number, since it is larger than the sum of its proper divisors (1).

40013125279 is an equidigital number, since it uses as much as digits as its factorization.

40013125279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 40013125279 in words is "forty billion, thirteen million, one hundred twenty-five thousand, two hundred seventy-nine".