40286484 has 144 divisors (see below), whose sum is σ = 125239296. Its totient is φ = 11080800.

The previous prime is 40286483. The next prime is 40286489. The reversal of 40286484 is 48468204.

40286484 is a `hidden beast` number, since 4 + 0 + 2 + 8 + 648 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40286483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210829 + ... + 211019.

Almost surely, 2^40286484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40286484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62619648).

40286484 is an abundant number, since it is smaller than the sum of its proper divisors (84952812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40286484 is a wasteful number, since it uses less digits than its factorization.

40286484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 40286484 is about 6347.1634609485. The cubic root of 40286484 is about 342.8097157612.

The spelling of 40286484 in words is "forty million, two hundred eighty-six thousand, four hundred eighty-four".