40498836 has 48 divisors (see below), whose sum is σ = 108681216. Its totient is φ = 11497824.

The previous prime is 40498793. The next prime is 40498847. The reversal of 40498836 is 63889404.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12585 + ... + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (2264192).

Almost surely, 2^40498836 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 40498836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54340608).

40498836 is an abundant number, since it is smaller than the sum of its proper divisors (68182380).

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

40498836 is a wasteful number, since it uses less digits than its factorization.

40498836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 40498836 is about 6363.8695775448. The cubic root of 40498836 is about 343.4109827410.

The spelling of 40498836 in words is "forty million, four hundred ninety-eight thousand, eight hundred thirty-six".