40130020499 has 2 divisors, whose sum is σ = 40130020500. Its totient is φ = 40130020498.

The previous prime is 40130020487. The next prime is 40130020591. The reversal of 40130020499 is 99402003104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40130020499 - 2⁸ = 40130020243 is a prime.

It is a super-2 number, since 2×40130020499² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40130220499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065010249 + 20065010250.

It is an arithmetic number, because the mean of its divisors is an integer number (20065010250).

Almost surely, 2^40130020499 is an apocalyptic number.

40130020499 is a deficient number, since it is larger than the sum of its proper divisors (1).

40130020499 is an equidigital number, since it uses as much as digits as its factorization.

40130020499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 40130020499 in words is "forty billion, one hundred thirty million, twenty thousand, four hundred ninety-nine".