40154299518 has 16 divisors (see below), whose sum is σ = 80313872400. Its totient is φ = 13383887616.

The previous prime is 40154299513. The next prime is 40154299573. The reversal of 40154299518 is 81599245104.

It is a super-2 number, since 2×40154299518² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154299513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117043 + ... + 306606.

It is an arithmetic number, because the mean of its divisors is an integer number (5019617025).

Almost surely, 2^40154299518 is an apocalyptic number.

40154299518 is an abundant number, since it is smaller than the sum of its proper divisors (40159572882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40154299518 is a wasteful number, since it uses less digits than its factorization.

40154299518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439451.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 40154299518 in words is "forty billion, one hundred fifty-four million, two hundred ninety-nine thousand, five hundred eighteen".