40357001 has 4 divisors (see below), whose sum is σ = 40560000. Its totient is φ = 40154004.

The previous prime is 40356991. The next prime is 40357013. The reversal of 40357001 is 10075304.

It is a happy number.

40357001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-40357001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40357021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101201 + ... + 101598.

It is an arithmetic number, because the mean of its divisors is an integer number (10140000).

Almost surely, 2^40357001 is an apocalyptic number.

It is an amenable number.

40357001 is a deficient number, since it is larger than the sum of its proper divisors (202999).

40357001 is a wasteful number, since it uses less digits than its factorization.

40357001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202998.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 40357001 is about 6352.7160333199. The cubic root of 40357001 is about 343.0096159051.

The spelling of 40357001 in words is "forty million, three hundred fifty-seven thousand, one".