40730152 has 24 divisors (see below), whose sum is σ = 79191450. Its totient is φ = 19615904.

The previous prime is 40730149. The next prime is 40730189. The reversal of 40730152 is 25103704.

It can be written as a sum of positive squares in only one way, i.e., 34409956 + 6320196 = 5866^2 + 2514^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96999 + ... + 97417.

Almost surely, 2^40730152 is an apocalyptic number.

It is an amenable number.

40730152 is a deficient number, since it is larger than the sum of its proper divisors (38461298).

40730152 is an equidigital number, since it uses as much as digits as its factorization.

40730152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40730152 is about 6382.0178627140. The cubic root of 40730152 is about 344.0635586544.

Adding to 40730152 its reverse (25103704), we get a palindrome (65833856).

The spelling of 40730152 in words is "forty million, seven hundred thirty thousand, one hundred fifty-two".