40001351 has 8 divisors (see below), whose sum is σ = 43809360. Its totient is φ = 36297792.

The previous prime is 40001303. The next prime is 40001359. The reversal of 40001351 is 15310004.

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 40001351 - 2⁶ = 40001287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25310 + ... + 26843.

It is an arithmetic number, because the mean of its divisors is an integer number (5476170).

Almost surely, 2^40001351 is an apocalyptic number.

40001351 is a deficient number, since it is larger than the sum of its proper divisors (3808009).

40001351 is a wasteful number, since it uses less digits than its factorization.

40001351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52225.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 40001351 is about 6324.6621253629. The cubic root of 40001351 is about 341.9990395878. Note that the first 3 decimals are identical.

Adding to 40001351 its reverse (15310004), we get a palindrome (55311355).

The spelling of 40001351 in words is "forty million, one thousand, three hundred fifty-one".