40048725 has 24 divisors (see below), whose sum is σ = 66405472. Its totient is φ = 21297600.

The previous prime is 40048703. The next prime is 40048733. The reversal of 40048725 is 52784004.

It is not a de Polignac number, because 40048725 - 2⁵ = 40048693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40048692 and 40048701.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 38715 + ... + 39735.

Almost surely, 2^40048725 is an apocalyptic number.

It is an amenable number.

40048725 is a deficient number, since it is larger than the sum of its proper divisors (26356747).

40048725 is a wasteful number, since it uses less digits than its factorization.

40048725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 40048725 is about 6328.4061974560. The cubic root of 40048725 is about 342.1339972854.

The spelling of 40048725 in words is "forty million, forty-eight thousand, seven hundred twenty-five".