40454151543 has 32 divisors (see below), whose sum is σ = 66116460480. Its totient is φ = 24287662080.

The previous prime is 40454151509. The next prime is 40454151599. The reversal of 40454151543 is 34515145404.

40454151543 is a `hidden beast` number, since 4 + 0 + 454 + 151 + 54 + 3 = 666.

It is not a de Polignac number, because 40454151543 - 2¹⁴ = 40454135159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40454151498 and 40454151507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40454150543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391146 + ... + 1419927.

It is an arithmetic number, because the mean of its divisors is an integer number (2066139390).

Almost surely, 2^40454151543 is an apocalyptic number.

40454151543 is a deficient number, since it is larger than the sum of its proper divisors (25662308937).

40454151543 is a wasteful number, since it uses less digits than its factorization.

40454151543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811136 (or 2811130 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 40454151543 its reverse (34515145404), we get a palindrome (74969296947).

The spelling of 40454151543 in words is "forty billion, four hundred fifty-four million, one hundred fifty-one thousand, five hundred forty-three".