40125044 has 6 divisors (see below), whose sum is σ = 70218834. Its totient is φ = 20062520.

The previous prime is 40125037. The next prime is 40125047. The reversal of 40125044 is 44052104.

It can be written as a sum of positive squares in only one way, i.e., 35545444 + 4579600 = 5962^2 + 2140^2 .

It is a super-2 number, since 2×40125044² = 3220038312003872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015627 + ... + 5015634.

It is an arithmetic number, because the mean of its divisors is an integer number (11703139).

Almost surely, 2^40125044 is an apocalyptic number.

It is an amenable number.

40125044 is a deficient number, since it is larger than the sum of its proper divisors (30093790).

40125044 is a wasteful number, since it uses less digits than its factorization.

40125044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031265 (or 10031263 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40125044 is about 6334.4332027420. The cubic root of 40125044 is about 342.3511890162.

Adding to 40125044 its reverse (44052104), we get a palindrome (84177148).

The spelling of 40125044 in words is "forty million, one hundred twenty-five thousand, forty-four".