40000918411389 has 64 divisors (see below), whose sum is σ = 59791957557248. Its totient is φ = 23620439808000.

The previous prime is 40000918411369. The next prime is 40000918411393. The reversal of 40000918411389 is 98311481900004.

It is not a de Polignac number, because 40000918411389 - 2²¹ = 40000916314237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000918411319) 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 in 63 ways as a sum of consecutive naturals, for example, 264478989 + ... + 264630189.

It is an arithmetic number, because the mean of its divisors is an integer number (934249336832).

Almost surely, 2^{40000918411389} is an apocalyptic number.

It is an amenable number.

40000918411389 is a deficient number, since it is larger than the sum of its proper divisors (19791039145859).

40000918411389 is a wasteful number, since it uses less digits than its factorization.

40000918411389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153098.

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 40000918411389 in words is "forty trillion, nine hundred eighteen million, four hundred eleven thousand, three hundred eighty-nine".