40330144650 has 96 divisors (see below), whose sum is σ = 110506819968. Its totient is φ = 9681971200.

The previous prime is 40330144609. The next prime is 40330144691. The reversal of 40330144650 is 5644103304.

It is an interprime number because it is at equal distance from previous prime (40330144609) and next prime (40330144691).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285171 + ... + 402470.

It is an arithmetic number, because the mean of its divisors is an integer number (1151112708).

Almost surely, 2^40330144650 is an apocalyptic number.

40330144650 is an abundant number, since it is smaller than the sum of its proper divisors (70176675318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40330144650 is a wasteful number, since it uses less digits than its factorization.

40330144650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687696 (or 687691 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 40330144650 its reverse (5644103304), we get a palindrome (45974247954).

The spelling of 40330144650 in words is "forty billion, three hundred thirty million, one hundred forty-four thousand, six hundred fifty".