40263143045 has 8 divisors (see below), whose sum is σ = 48317234424. Its totient is φ = 32209539264.

The previous prime is 40263143023. The next prime is 40263143069. The reversal of 40263143045 is 54034136204.

It can be written as a sum of positive squares in 4 ways, for example, as 701137441 + 39562005604 = 26479^2 + 198902^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40263143045 - 2¹⁰ = 40263142021 is a prime.

It is a super-2 number, since 2×40263143045² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94787 + ... + 299183.

It is an arithmetic number, because the mean of its divisors is an integer number (6039654303).

Almost surely, 2^40263143045 is an apocalyptic number.

It is an amenable number.

40263143045 is a deficient number, since it is larger than the sum of its proper divisors (8054091379).

40263143045 is a wasteful number, since it uses less digits than its factorization.

40263143045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243799.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 40263143045 its reverse (54034136204), we get a palindrome (94297279249).

The spelling of 40263143045 in words is "forty billion, two hundred sixty-three million, one hundred forty-three thousand, forty-five".