40001470 has 16 divisors (see below), whose sum is σ = 74325888. Its totient is φ = 15484320.

The previous prime is 40001461. The next prime is 40001473. The reversal of 40001470 is 7410004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001473) 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, 64209 + ... + 64828.

It is an arithmetic number, because the mean of its divisors is an integer number (4645368).

Almost surely, 2^40001470 is an apocalyptic number.

40001470 is a deficient number, since it is larger than the sum of its proper divisors (34324418).

40001470 is a wasteful number, since it uses less digits than its factorization.

40001470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129075.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 40001470 is about 6324.6715329731. The cubic root of 40001470 is about 341.9993787251. Note that the first 3 decimals are identical.

Adding to 40001470 its reverse (7410004), we get a palindrome (47411474).

The spelling of 40001470 in words is "forty million, one thousand, four hundred seventy".