40201925 has 12 divisors (see below), whose sum is σ = 50311140. Its totient is φ = 31864320.

The previous prime is 40201921. The next prime is 40201937. The reversal of 40201925 is 52910204.

It can be written as a sum of positive squares in 6 ways, for example, as 82369 + 40119556 = 287^2 + 6334^2 .

It is not a de Polignac number, because 40201925 - 2² = 40201921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40201925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40201921) 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, 4652 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (4192595).

Almost surely, 2^40201925 is an apocalyptic number.

It is an amenable number.

40201925 is a deficient number, since it is larger than the sum of its proper divisors (10109215).

40201925 is a wasteful number, since it uses less digits than its factorization.

40201925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14872 (or 14867 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 40201925 is about 6340.4987974133. The cubic root of 40201925 is about 342.5697018352.

The spelling of 40201925 in words is "forty million, two hundred one thousand, nine hundred twenty-five".