40266828 has 96 divisors (see below), whose sum is σ = 121856000. Its totient is φ = 11494224.

The previous prime is 40266823. The next prime is 40266839. The reversal of 40266828 is 82866204.

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

It is a junction number, because it is equal to n+sod(n) for n = 40266792 and 40266801.

It is not an unprimeable number, because it can be changed into a prime (40266823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36501 + ... + 37587.

Almost surely, 2^40266828 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 40266828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60928000).

40266828 is an abundant number, since it is smaller than the sum of its proper divisors (81589172).

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

40266828 is a wasteful number, since it uses less digits than its factorization.

40266828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 40266828 is about 6345.6148638253. The cubic root of 40266828 is about 342.7539537679.

The spelling of 40266828 in words is "forty million, two hundred sixty-six thousand, eight hundred twenty-eight".