40728000063 has 8 divisors (see below), whose sum is σ = 54320686128. Its totient is φ = 27143657024.

The previous prime is 40728000023. The next prime is 40728000073. The reversal of 40728000063 is 36000082704.

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 40728000063 - 2¹² = 40727995967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40728000023) 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, 2074356 + ... + 2093897.

It is an arithmetic number, because the mean of its divisors is an integer number (6790085766).

Almost surely, 2^40728000063 is an apocalyptic number.

40728000063 is a deficient number, since it is larger than the sum of its proper divisors (13592686065).

40728000063 is a wasteful number, since it uses less digits than its factorization.

40728000063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171513.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 40728000063 its reverse (36000082704), we get a palindrome (76728082767).

The spelling of 40728000063 in words is "forty billion, seven hundred twenty-eight million, sixty-three", and thus it is an aban number.