40025124 has 24 divisors (see below), whose sum is σ = 103769120. Its totient is φ = 13341672.

The previous prime is 40025119. The next prime is 40025147. The reversal of 40025124 is 42152004.

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 = 40025097 and 40025106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185194 + ... + 185409.

Almost surely, 2^40025124 is an apocalyptic number.

It is an amenable number.

40025124 is an abundant number, since it is smaller than the sum of its proper divisors (63743996).

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

40025124 is a wasteful number, since it uses less digits than its factorization.

40025124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370616 (or 370608 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40025124 is about 6326.5412351458. The cubic root of 40025124 is about 342.0667767422.

Adding to 40025124 its reverse (42152004), we get a palindrome (82177128).

The spelling of 40025124 in words is "forty million, twenty-five thousand, one hundred twenty-four".