40096840 has 64 divisors (see below), whose sum is σ = 108547200. Its totient is φ = 13022208.

The previous prime is 40096831. The next prime is 40096853. The reversal of 40096840 is 4869004.

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 15 ways as a sum of consecutive naturals, for example, 1552 + ... + 9088.

It is an arithmetic number, because the mean of its divisors is an integer number (1696050).

Almost surely, 2^40096840 is an apocalyptic number.

40096840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40096840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54273600).

40096840 is an abundant number, since it is smaller than the sum of its proper divisors (68450360).

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

40096840 is a wasteful number, since it uses less digits than its factorization.

40096840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574 (or 7570 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40096840 is about 6332.2065664348. The cubic root of 40096840 is about 342.2709570282.

The spelling of 40096840 in words is "forty million, ninety-six thousand, eight hundred forty".