40064120 has 32 divisors (see below), whose sum is σ = 90324720. Its totient is φ = 15993600.

The previous prime is 40064113. The next prime is 40064161. The reversal of 40064120 is 2146004.

It is a super-2 number, since 2×40064120² = 3210267422748800, which contains 22 as substring.

It is a congruent number.

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, 37595 + ... + 38645.

Almost surely, 2^40064120 is an apocalyptic number.

40064120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40064120 is an abundant number, since it is smaller than the sum of its proper divisors (50260600).

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

40064120 is a wasteful number, since it uses less digits than its factorization.

40064120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2011 counting only the distinct ones).

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

The square root of 40064120 is about 6329.6224215983. The cubic root of 40064120 is about 342.1778312079.

The spelling of 40064120 in words is "forty million, sixty-four thousand, one hundred twenty".