40204343534153 has 4 divisors (see below), whose sum is σ = 40204405277460. Its totient is φ = 40204281790848.

The previous prime is 40204343534087. The next prime is 40204343534203. The reversal of 40204343534153 is 35143534340204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2506180280464 + 37698163253689 = 1583092^2 + 6139883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40204343534153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40204343534153.

It is not an unprimeable number, because it can be changed into a prime (40204343554153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29884400 + ... + 31200737.

It is an arithmetic number, because the mean of its divisors is an integer number (10051101319365).

Almost surely, 2^{40204343534153} is an apocalyptic number.

It is an amenable number.

40204343534153 is a deficient number, since it is larger than the sum of its proper divisors (61743307).

40204343534153 is an equidigital number, since it uses as much as digits as its factorization.

40204343534153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61743306.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 40204343534153 its reverse (35143534340204), we get a palindrome (75347877874357).

The spelling of 40204343534153 in words is "forty trillion, two hundred four billion, three hundred forty-three million, five hundred thirty-four thousand, one hundred fifty-three".