40248001 has 8 divisors (see below), whose sum is σ = 40759560. Its totient is φ = 39739392.

The previous prime is 40247989. The next prime is 40248017. The reversal of 40248001 is 10084204.

It can be written as a sum of positive squares in 4 ways, for example, as 255025 + 39992976 = 505^2 + 6324^2 .

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 40248001 - 2¹⁵ = 40215233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40248001.

It is not an unprimeable number, because it can be changed into a prime (40248071) 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, 39385 + ... + 40393.

It is an arithmetic number, because the mean of its divisors is an integer number (5094945).

Almost surely, 2^40248001 is an apocalyptic number.

It is an amenable number.

40248001 is a deficient number, since it is larger than the sum of its proper divisors (511559).

40248001 is a wasteful number, since it uses less digits than its factorization.

40248001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 40248001 is about 6344.1312249984. The cubic root of 40248001 is about 342.7005265427.

The spelling of 40248001 in words is "forty million, two hundred forty-eight thousand, one".