40012818530 has 16 divisors (see below), whose sum is σ = 72025922304. Its totient is φ = 16004494320.

The previous prime is 40012818529. The next prime is 40012818563. The reversal of 40012818530 is 3581821004.

It is a super-2 number, since 2×40012818530² (a number of 22 digits) contains 22 as substring.

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, 252485 + ... + 379175.

It is an arithmetic number, because the mean of its divisors is an integer number (4501620144).

Almost surely, 2^40012818530 is an apocalyptic number.

40012818530 is a deficient number, since it is larger than the sum of its proper divisors (32013103774).

40012818530 is a wasteful number, since it uses less digits than its factorization.

40012818530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158281.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 40012818530 in words is "forty billion, twelve million, eight hundred eighteen thousand, five hundred thirty".