40066464 has 48 divisors (see below), whose sum is σ = 105513408. Its totient is φ = 13312512.

The previous prime is 40066457. The next prime is 40066489. The reversal of 40066464 is 46466004.

40066464 = T₁₃₇ + T₁₃₈ + ... + T₆₂₃.

It is a tau number, because it is divible by the number of its divisors (48).

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, 46324 + ... + 47180.

It is an arithmetic number, because the mean of its divisors is an integer number (2198196).

Almost surely, 2^40066464 is an apocalyptic number.

It is an amenable number.

40066464 is an abundant number, since it is smaller than the sum of its proper divisors (65446944).

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

40066464 is a wasteful number, since it uses less digits than its factorization.

40066464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 40066464 is about 6329.8075800138. The cubic root of 40066464 is about 342.1845042543.

The spelling of 40066464 in words is "forty million, sixty-six thousand, four hundred sixty-four".