40538376 has 48 divisors (see below), whose sum is σ = 111196800. Its totient is φ = 13339872.

The previous prime is 40538371. The next prime is 40538401. The reversal of 40538376 is 67383504.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40538376.

It is not an unprimeable number, because it can be changed into a prime (40538371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2125 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (2316600).

Almost surely, 2^40538376 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 40538376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55598400).

40538376 is an abundant number, since it is smaller than the sum of its proper divisors (70658424).

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

40538376 is a wasteful number, since it uses less digits than its factorization.

40538376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218 (or 7211 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 40538376 is about 6366.9754200876. The cubic root of 40538376 is about 343.5227065582.

It can be divided in two parts, 405 and 38376, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 40538376 in words is "forty million, five hundred thirty-eight thousand, three hundred seventy-six".