40570002 has 48 divisors (see below), whose sum is σ = 97493760. Its totient is φ = 12088800.

The previous prime is 40570001. The next prime is 40570003. The reversal of 40570002 is 20007504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40570001) and next prime (40570003).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40570001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10399 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^40570002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40570002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48746880).

40570002 is an abundant number, since it is smaller than the sum of its proper divisors (56923758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40570002 is a wasteful number, since it uses less digits than its factorization.

40570002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 40570002 is about 6369.4585327169. The cubic root of 40570002 is about 343.6120163774.

Adding to 40570002 its reverse (20007504), we get a palindrome (60577506).

It can be divided in two parts, 405 and 70002, that added together give a palindrome (70407).

The spelling of 40570002 in words is "forty million, five hundred seventy thousand, two".