40454830423154 has 24 divisors (see below), whose sum is σ = 70591597768620. Its totient is φ = 17337281762976.

The previous prime is 40454830423121. The next prime is 40454830423159. The reversal of 40454830423154 is 45132403845404.

It can be written as a sum of positive squares in 2 ways, for example, as 26524281929929 + 13930548493225 = 5150173^2 + 3732365^2 .

It is a super-2 number, since 2×40454830423154² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40454830423099 and 40454830423108.

It is not an unprimeable number, because it can be changed into a prime (40454830423159) 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, 2577557 + ... + 9357000.

Almost surely, 2^{40454830423154} is an apocalyptic number.

40454830423154 is a deficient number, since it is larger than the sum of its proper divisors (30136767345466).

40454830423154 is a wasteful number, since it uses less digits than its factorization.

40454830423154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969162 (or 11969155 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 47.

The spelling of 40454830423154 in words is "forty trillion, four hundred fifty-four billion, eight hundred thirty million, four hundred twenty-three thousand, one hundred fifty-four".