40304124 has 36 divisors (see below), whose sum is σ = 116434864. Its totient is φ = 11515392.

The previous prime is 40304101. The next prime is 40304129. The reversal of 40304124 is 42140304.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40304124² = 3248844822814752, which contains 22 as substring.

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 = 40304097 and 40304106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79717 + ... + 80220.

Almost surely, 2^40304124 is an apocalyptic number.

It is an amenable number.

40304124 is an abundant number, since it is smaller than the sum of its proper divisors (76130740).

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

40304124 is a wasteful number, since it uses less digits than its factorization.

40304124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159954 (or 159949 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40304124 is about 6348.5529059779. The cubic root of 40304124 is about 342.8597431350.

Adding to 40304124 its reverse (42140304), we get a palindrome (82444428).

The spelling of 40304124 in words is "forty million, three hundred four thousand, one hundred twenty-four".