40153787879 has 2 divisors, whose sum is σ = 40153787880. Its totient is φ = 40153787878.

The previous prime is 40153787831. The next prime is 40153787909. The reversal of 40153787879 is 97878735104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40153787879 - 2²⁴ = 40137010663 is a prime.

It is a super-2 number, since 2×40153787879² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40153787809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20076893939 + 20076893940.

It is an arithmetic number, because the mean of its divisors is an integer number (20076893940).

Almost surely, 2^40153787879 is an apocalyptic number.

40153787879 is a deficient number, since it is larger than the sum of its proper divisors (1).

40153787879 is an equidigital number, since it uses as much as digits as its factorization.

40153787879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 40153787879 in words is "forty billion, one hundred fifty-three million, seven hundred eighty-seven thousand, eight hundred seventy-nine".