40425351 has 8 divisors (see below), whose sum is σ = 54434544. Its totient is φ = 26683200.

The previous prime is 40425323. The next prime is 40425373. The reversal of 40425351 is 15352404.

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

It is not a de Polignac number, because 40425351 - 2¹⁰ = 40424327 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425251) 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, 66406 + ... + 67011.

It is an arithmetic number, because the mean of its divisors is an integer number (6804318).

Almost surely, 2^40425351 is an apocalyptic number.

40425351 is a deficient number, since it is larger than the sum of its proper divisors (14009193).

40425351 is a wasteful number, since it uses less digits than its factorization.

40425351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133521.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40425351 is about 6358.0933462792. The cubic root of 40425351 is about 343.2031509673.

Adding to 40425351 its reverse (15352404), we get a palindrome (55777755).

The spelling of 40425351 in words is "forty million, four hundred twenty-five thousand, three hundred fifty-one".