40154892919 has 2 divisors, whose sum is σ = 40154892920. Its totient is φ = 40154892918.

The previous prime is 40154892901. The next prime is 40154892929. The reversal of 40154892919 is 91929845104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40154892919 - 2²³ = 40146504311 is a prime.

It is a super-2 number, since 2×40154892919² (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 (40154892929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20077446459 + 20077446460.

It is an arithmetic number, because the mean of its divisors is an integer number (20077446460).

Almost surely, 2^40154892919 is an apocalyptic number.

40154892919 is a deficient number, since it is larger than the sum of its proper divisors (1).

40154892919 is an equidigital number, since it uses as much as digits as its factorization.

40154892919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 40154892919 in words is "forty billion, one hundred fifty-four million, eight hundred ninety-two thousand, nine hundred nineteen".