40462320 has 80 divisors (see below), whose sum is σ = 127840032. Its totient is φ = 10583040.

The previous prime is 40462319. The next prime is 40462339. The reversal of 40462320 is 2326404.

It is a Cunningham number, because it is equal to 6361²-1.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11130 + ... + 14310.

Almost surely, 2^40462320 is an apocalyptic number.

40462320 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 40462320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63920016).

40462320 is an abundant number, since it is smaller than the sum of its proper divisors (87377712).

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

40462320 is a wasteful number, since it uses less digits than its factorization.

40462320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250 (or 3244 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40462320 is about 6360.9999213960. Note that the first 4 decimals coincide. The cubic root of 40462320 is about 343.3077388991.

Adding to 40462320 its reverse (2326404), we get a palindrome (42788724).

The spelling of 40462320 in words is "forty million, four hundred sixty-two thousand, three hundred twenty".