40899976 has 64 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 17875200.

The previous prime is 40899967. The next prime is 40899979. The reversal of 40899976 is 67999804.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (40899979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214041 + ... + 214231.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^40899976 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 40899976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43545600).

40899976 is an abundant number, since it is smaller than the sum of its proper divisors (46191224).

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

40899976 is a wasteful number, since it uses less digits than its factorization.

40899976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 40899976 is about 6395.3089057527. The cubic root of 40899976 is about 344.5410855509.

The spelling of 40899976 in words is "forty million, eight hundred ninety-nine thousand, nine hundred seventy-six".