40320134120 has 48 divisors (see below), whose sum is σ = 105531784740. Its totient is φ = 13824045312.

The previous prime is 40320134119. The next prime is 40320134131. The reversal of 40320134120 is 2143102304.

It can be written as a sum of positive squares in 2 ways, for example, as 38246060356 + 2074073764 = 195566^2 + 45542^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 40320134092 and 40320134101.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10283789 + ... + 10287708.

Almost surely, 2^40320134120 is an apocalyptic number.

40320134120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40320134120 is an abundant number, since it is smaller than the sum of its proper divisors (65211650620).

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

40320134120 is a wasteful number, since it uses less digits than its factorization.

40320134120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20571522 (or 20571511 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40320134120 its reverse (2143102304), we get a palindrome (42463236424).

The spelling of 40320134120 in words is "forty billion, three hundred twenty million, one hundred thirty-four thousand, one hundred twenty".