40064210 has 16 divisors (see below), whose sum is σ = 73650816. Its totient is φ = 15684528.

The previous prime is 40064209. The next prime is 40064231. The reversal of 40064210 is 1246004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42152 + ... + 43091.

It is an arithmetic number, because the mean of its divisors is an integer number (4603176).

Almost surely, 2^40064210 is an apocalyptic number.

40064210 is a deficient number, since it is larger than the sum of its proper divisors (33586606).

40064210 is a wasteful number, since it uses less digits than its factorization.

40064210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85297.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40064210 is about 6329.6295310231. The cubic root of 40064210 is about 342.1780874304.

The spelling of 40064210 in words is "forty million, sixty-four thousand, two hundred ten".