40310342120 has 16 divisors (see below), whose sum is σ = 90698269860. Its totient is φ = 16124136832.

The previous prime is 40310342101. The next prime is 40310342153. The reversal of 40310342120 is 2124301304.

It can be written as a sum of positive squares in 2 ways, for example, as 39269763556 + 1040578564 = 198166^2 + 32258^2 .

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 = 40310342092 and 40310342101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503879237 + ... + 503879316.

Almost surely, 2^40310342120 is an apocalyptic number.

40310342120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40310342120 is an abundant number, since it is smaller than the sum of its proper divisors (50387927740).

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

40310342120 is a wasteful number, since it uses less digits than its factorization.

40310342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007758564 (or 1007758560 counting only the distinct ones).

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

Adding to 40310342120 its reverse (2124301304), we get a palindrome (42434643424).

The spelling of 40310342120 in words is "forty billion, three hundred ten million, three hundred forty-two thousand, one hundred twenty".