40130245 has 8 divisors (see below), whose sum is σ = 49181184. Its totient is φ = 31420944.

The previous prime is 40130231. The next prime is 40130263. The reversal of 40130245 is 54203104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40130245 - 2⁷ = 40130117 is a prime.

It is a super-2 number, since 2×40130245² = 3220873127520050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85149 + ... + 85618.

It is an arithmetic number, because the mean of its divisors is an integer number (6147648).

Almost surely, 2^40130245 is an apocalyptic number.

It is an amenable number.

40130245 is a deficient number, since it is larger than the sum of its proper divisors (9050939).

40130245 is a wasteful number, since it uses less digits than its factorization.

40130245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170819.

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

The square root of 40130245 is about 6334.8437234079. The cubic root of 40130245 is about 342.3659802076.

Adding to 40130245 its reverse (54203104), we get a palindrome (94333349).

The spelling of 40130245 in words is "forty million, one hundred thirty thousand, two hundred forty-five".