40530794987 has 8 divisors (see below), whose sum is σ = 42918332400. Its totient is φ = 38143632384.

The previous prime is 40530794977. The next prime is 40530795007. The reversal of 40530794987 is 78949703504.

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 40530794987 - 2¹⁸ = 40530532843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40530794947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146564 + ... + 320222.

It is an arithmetic number, because the mean of its divisors is an integer number (5364791550).

Almost surely, 2^40530794987 is an apocalyptic number.

40530794987 is a deficient number, since it is larger than the sum of its proper divisors (2387537413).

40530794987 is a wasteful number, since it uses less digits than its factorization.

40530794987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187405.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 40530794987 in words is "forty billion, five hundred thirty million, seven hundred ninety-four thousand, nine hundred eighty-seven".