40305876 has 48 divisors (see below), whose sum is σ = 104033664. Its totient is φ = 12064896.

The previous prime is 40305871. The next prime is 40305887. The reversal of 40305876 is 67850304.

40305876 = 14² + 15² + ... + 494².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40305871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (2167368).

Almost surely, 2^40305876 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 40305876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52016832).

40305876 is an abundant number, since it is smaller than the sum of its proper divisors (63727788).

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

40305876 is a wasteful number, since it uses less digits than its factorization.

40305876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040 (or 7038 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40305876 is about 6348.6908886793. The cubic root of 40305876 is about 342.8647110433.

The spelling of 40305876 in words is "forty million, three hundred five thousand, eight hundred seventy-six".