40512296 has 32 divisors (see below), whose sum is σ = 84235680. Its totient is φ = 18110400.

The previous prime is 40512271. The next prime is 40512301. The reversal of 40512296 is 69221504.

It is a happy number.

It is a super-2 number, since 2×40512296² = 3282492254383232, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1595 + ... + 9141.

It is an arithmetic number, because the mean of its divisors is an integer number (2632365).

Almost surely, 2^40512296 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 40512296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42117840).

40512296 is an abundant number, since it is smaller than the sum of its proper divisors (43723384).

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

40512296 is a wasteful number, since it uses less digits than its factorization.

40512296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625 (or 7621 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40512296 is about 6364.9270223625. The cubic root of 40512296 is about 343.4490233391.

The spelling of 40512296 in words is "forty million, five hundred twelve thousand, two hundred ninety-six".