40229376 has 80 divisors (see below), whose sum is σ = 116965728. Its totient is φ = 12185600.

The previous prime is 40229363. The next prime is 40229377. The reversal of 40229376 is 67392204.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40229377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15706 + ... + 18086.

Almost surely, 2^40229376 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 40229376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58482864).

40229376 is an abundant number, since it is smaller than the sum of its proper divisors (76736352).

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

40229376 is a wasteful number, since it uses less digits than its factorization.

40229376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40229376 is about 6342.6631630570. The cubic root of 40229376 is about 342.6476561561.

The spelling of 40229376 in words is "forty million, two hundred twenty-nine thousand, three hundred seventy-six".