40313124 has 18 divisors (see below), whose sum is σ = 101902710. Its totient is φ = 13437696.

The previous prime is 40313123. The next prime is 40313167. The reversal of 40313124 is 42131304.

It can be written as a sum of positive squares in only one way, i.e., 32695524 + 7617600 = 5718^2 + 2760^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40313097 and 40313106.

It is not an unprimeable number, because it can be changed into a prime (40313123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 559869 + ... + 559940.

Almost surely, 2^40313124 is an apocalyptic number.

It is an amenable number.

40313124 is an abundant number, since it is smaller than the sum of its proper divisors (61589586).

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

40313124 is a wasteful number, since it uses less digits than its factorization.

40313124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119819 (or 1119814 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40313124 is about 6349.2616893620. The cubic root of 40313124 is about 342.8852616819.

Adding to 40313124 its reverse (42131304), we get a palindrome (82444428).

The spelling of 40313124 in words is "forty million, three hundred thirteen thousand, one hundred twenty-four".