40250285 has 8 divisors (see below), whose sum is σ = 48336480. Its totient is φ = 32176144.

The previous prime is 40250281. The next prime is 40250291. The reversal of 40250285 is 58205204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40250285 - 2² = 40250281 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40250281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8006 + ... + 12024.

It is an arithmetic number, because the mean of its divisors is an integer number (6042060).

Almost surely, 2^40250285 is an apocalyptic number.

It is an amenable number.

40250285 is a deficient number, since it is larger than the sum of its proper divisors (8086195).

40250285 is a wasteful number, since it uses less digits than its factorization.

40250285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 40250285 is about 6344.3112313316. The cubic root of 40250285 is about 342.7070089615.

Adding to 40250285 its reverse (58205204), we get a palindrome (98455489).

The spelling of 40250285 in words is "forty million, two hundred fifty thousand, two hundred eighty-five".