40130351 has 4 divisors (see below), whose sum is σ = 40159104. Its totient is φ = 40101600.

The previous prime is 40130329. The next prime is 40130359. The reversal of 40130351 is 15303104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40130351 - 2¹⁴ = 40113967 is a prime.

It is a super-2 number, since 2×40130351² = 3220890142766402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12170 + ... + 15111.

It is an arithmetic number, because the mean of its divisors is an integer number (10039776).

Almost surely, 2^40130351 is an apocalyptic number.

40130351 is a deficient number, since it is larger than the sum of its proper divisors (28753).

40130351 is a wasteful number, since it uses less digits than its factorization.

40130351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28752.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 40130351 is about 6334.8520898281. The cubic root of 40130351 is about 342.3662816490.

Adding to 40130351 its reverse (15303104), we get a palindrome (55433455).

The spelling of 40130351 in words is "forty million, one hundred thirty thousand, three hundred fifty-one".