40351001 has 4 divisors (see below), whose sum is σ = 40379904. Its totient is φ = 40322100.

The previous prime is 40350997. The next prime is 40351009. The reversal of 40351001 is 10015304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40351001 - 2² = 40350997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40351009) 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, 12245 + ... + 15186.

It is an arithmetic number, because the mean of its divisors is an integer number (10094976).

Almost surely, 2^40351001 is an apocalyptic number.

It is an amenable number.

40351001 is a deficient number, since it is larger than the sum of its proper divisors (28903).

40351001 is a wasteful number, since it uses less digits than its factorization.

40351001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28902.

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

The square root of 40351001 is about 6352.2437768083. The cubic root of 40351001 is about 342.9926162962.

Adding to 40351001 its reverse (10015304), we get a palindrome (50366305).

The spelling of 40351001 in words is "forty million, three hundred fifty-one thousand, one".