40514320 has 80 divisors (see below), whose sum is σ = 117456768. Its totient is φ = 12625920.

The previous prime is 40514317. The next prime is 40514333. The reversal of 40514320 is 2341504.

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

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, 2872 + ... + 9448.

Almost surely, 2^40514320 is an apocalyptic number.

40514320 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 40514320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58728384).

40514320 is an abundant number, since it is smaller than the sum of its proper divisors (76942448).

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

40514320 is a wasteful number, since it uses less digits than its factorization.

40514320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6602 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40514320 is about 6365.0860167008. The cubic root of 40514320 is about 343.4547428310.

Adding to 40514320 its reverse (2341504), we get a palindrome (42855824).

The spelling of 40514320 in words is "forty million, five hundred fourteen thousand, three hundred twenty".