40245872143 has 8 divisors (see below), whose sum is σ = 42374201600. Its totient is φ = 38118555288.

The previous prime is 40245872113. The next prime is 40245872197. The reversal of 40245872143 is 34127854204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40245872143 - 2⁵ = 40245872111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40245872096 and 40245872105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245872113) 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, 170871 + ... + 331192.

It is an arithmetic number, because the mean of its divisors is an integer number (5296775200).

Almost surely, 2^40245872143 is an apocalyptic number.

40245872143 is a deficient number, since it is larger than the sum of its proper divisors (2128329457).

40245872143 is a wasteful number, since it uses less digits than its factorization.

40245872143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506301.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 40245872143 in words is "forty billion, two hundred forty-five million, eight hundred seventy-two thousand, one hundred forty-three".