40001230 has 16 divisors (see below), whose sum is σ = 73535040. Its totient is φ = 15659872.

The previous prime is 40001197. The next prime is 40001231. The reversal of 40001230 is 3210004.

It is a Harshad number since it is a multiple of its sum of digits (10).

40001230 is a modest number, since divided by 1230 gives 400 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001231) 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, 42085 + ... + 43024.

It is an arithmetic number, because the mean of its divisors is an integer number (4595940).

Almost surely, 2^40001230 is an apocalyptic number.

40001230 is a deficient number, since it is larger than the sum of its proper divisors (33533810).

40001230 is a wasteful number, since it uses less digits than its factorization.

40001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85163.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40001230 is about 6324.6525596273. The cubic root of 40001230 is about 341.9986947501.

Adding to 40001230 its reverse (3210004), we get a palindrome (43211234).

The spelling of 40001230 in words is "forty million, one thousand, two hundred thirty".