40348625 has 16 divisors (see below), whose sum is σ = 51217920. Its totient is φ = 31726000.

The previous prime is 40348621. The next prime is 40348669. The reversal of 40348625 is 52684304.

It is not a de Polignac number, because 40348625 - 2² = 40348621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40348591 and 40348600.

It is not an unprimeable number, because it can be changed into a prime (40348621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4640 + ... + 10110.

It is an arithmetic number, because the mean of its divisors is an integer number (3201120).

Almost surely, 2^40348625 is an apocalyptic number.

It is an amenable number.

40348625 is a deficient number, since it is larger than the sum of its proper divisors (10869295).

40348625 is an equidigital number, since it uses as much as digits as its factorization.

40348625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545 (or 5535 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 40348625 is about 6352.0567535248. The cubic root of 40348625 is about 342.9858839853.

The spelling of 40348625 in words is "forty million, three hundred forty-eight thousand, six hundred twenty-five".