40286951 has 4 divisors (see below), whose sum is σ = 40553904. Its totient is φ = 40020000.

The previous prime is 40286947. The next prime is 40286959. The reversal of 40286951 is 15968204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40286951 - 2² = 40286947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40286959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133250 + ... + 133551.

It is an arithmetic number, because the mean of its divisors is an integer number (10138476).

Almost surely, 2^40286951 is an apocalyptic number.

40286951 is a deficient number, since it is larger than the sum of its proper divisors (266953).

40286951 is a wasteful number, since it uses less digits than its factorization.

40286951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266952.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 40286951 is about 6347.2002489287. The cubic root of 40286951 is about 342.8110403702.

The spelling of 40286951 in words is "forty million, two hundred eighty-six thousand, nine hundred fifty-one".