40722011999 has 2 divisors, whose sum is σ = 40722012000. Its totient is φ = 40722011998.

The previous prime is 40722011983. The next prime is 40722012031. The reversal of 40722011999 is 99911022704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40722011999 - 2⁴ = 40722011983 is a prime.

It is a super-2 number, since 2×40722011999² (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 (40722011399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20361005999 + 20361006000.

It is an arithmetic number, because the mean of its divisors is an integer number (20361006000).

Almost surely, 2^40722011999 is an apocalyptic number.

40722011999 is a deficient number, since it is larger than the sum of its proper divisors (1).

40722011999 is an equidigital number, since it uses as much as digits as its factorization.

40722011999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 40722011999 in words is "forty billion, seven hundred twenty-two million, eleven thousand, nine hundred ninety-nine".