40040441153 has 4 divisors (see below), whose sum is σ = 40241649600. Its totient is φ = 39839232708.

The previous prime is 40040441117. The next prime is 40040441159. The reversal of 40040441153 is 35114404004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40040441153 - 2¹⁸ = 40040179009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40040441159) 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, 100603925 + ... + 100604322.

It is an arithmetic number, because the mean of its divisors is an integer number (10060412400).

Almost surely, 2^40040441153 is an apocalyptic number.

It is an amenable number.

40040441153 is a deficient number, since it is larger than the sum of its proper divisors (201208447).

40040441153 is a wasteful number, since it uses less digits than its factorization.

40040441153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201208446.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40040441153 its reverse (35114404004), we get a palindrome (75154845157).

The spelling of 40040441153 in words is "forty billion, forty million, four hundred forty-one thousand, one hundred fifty-three".