40153443554 has 16 divisors (see below), whose sum is σ = 68837712000. Its totient is φ = 17207809344.

The previous prime is 40153443503. The next prime is 40153443557. The reversal of 40153443554 is 45534435104.

40153443554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40153443554² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40153443557) 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, 316067 + ... + 424505.

It is an arithmetic number, because the mean of its divisors is an integer number (4302357000).

Almost surely, 2^40153443554 is an apocalyptic number.

40153443554 is a deficient number, since it is larger than the sum of its proper divisors (28684268446).

40153443554 is a wasteful number, since it uses less digits than its factorization.

40153443554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134897.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 40153443554 its reverse (45534435104), we get a palindrome (85687878658).

The spelling of 40153443554 in words is "forty billion, one hundred fifty-three million, four hundred forty-three thousand, five hundred fifty-four".