40212882 has 48 divisors (see below), whose sum is σ = 91801440. Its totient is φ = 13047840.

The previous prime is 40212863. The next prime is 40212883. The reversal of 40212882 is 28821204.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40212883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90553 + ... + 90995.

It is an arithmetic number, because the mean of its divisors is an integer number (1912530).

Almost surely, 2^40212882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40212882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45900720).

40212882 is an abundant number, since it is smaller than the sum of its proper divisors (51588558).

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

40212882 is a wasteful number, since it uses less digits than its factorization.

40212882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 40212882 is about 6341.3627872879. The cubic root of 40212882 is about 342.6008213671.

It can be divided in two parts, 4021 and 2882, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 40212882 in words is "forty million, two hundred twelve thousand, eight hundred eighty-two".