40630800721 has 8 divisors (see below), whose sum is σ = 47933110784. Its totient is φ = 33702968160.

The previous prime is 40630800641. The next prime is 40630800733. The reversal of 40630800721 is 12700803604.

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 40630800721 - 2¹³ = 40630792529 is a prime.

It is a super-2 number, since 2×40630800721² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40630800421) 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 7 ways as a sum of consecutive naturals, for example, 93619140 + ... + 93619573.

It is an arithmetic number, because the mean of its divisors is an integer number (5991638848).

Almost surely, 2^40630800721 is an apocalyptic number.

It is an amenable number.

40630800721 is a deficient number, since it is larger than the sum of its proper divisors (7302310063).

40630800721 is a wasteful number, since it uses less digits than its factorization.

40630800721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187238751.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 40630800721 in words is "forty billion, six hundred thirty million, eight hundred thousand, seven hundred twenty-one".