40122719 has 12 divisors (see below), whose sum is σ = 50264424. Its totient is φ = 31744944.

The previous prime is 40122707. The next prime is 40122721. The reversal of 40122719 is 91722104.

It is not a de Polignac number, because 40122719 - 2¹⁶ = 40057183 is a prime.

It is a super-2 number, since 2×40122719² = 3219665159905922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30857 + ... + 32130.

It is an arithmetic number, because the mean of its divisors is an integer number (4188702).

Almost surely, 2^40122719 is an apocalyptic number.

40122719 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40122719 is a deficient number, since it is larger than the sum of its proper divisors (10141705).

40122719 is a wasteful number, since it uses less digits than its factorization.

40122719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63014 (or 63007 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 40122719 is about 6334.2496793227. The cubic root of 40122719 is about 342.3445765052.

The spelling of 40122719 in words is "forty million, one hundred twenty-two thousand, seven hundred nineteen".