40154310223 has 4 divisors (see below), whose sum is σ = 41538941640. Its totient is φ = 38769678808.

The previous prime is 40154310197. The next prime is 40154310239. The reversal of 40154310223 is 32201345104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40154310223 is a prime.

It is a super-2 number, since 2×40154310223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40152310223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692315665 + ... + 692315722.

It is an arithmetic number, because the mean of its divisors is an integer number (10384735410).

Almost surely, 2^40154310223 is an apocalyptic number.

40154310223 is a deficient number, since it is larger than the sum of its proper divisors (1384631417).

40154310223 is a wasteful number, since it uses less digits than its factorization.

40154310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384631416.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40154310223 its reverse (32201345104), we get a palindrome (72355655327).

The spelling of 40154310223 in words is "forty billion, one hundred fifty-four million, three hundred ten thousand, two hundred twenty-three".