40220964 has 81 divisors (see below), whose sum is σ = 119057211. Its totient is φ = 11415600.

The previous prime is 40220933. The next prime is 40220987. The reversal of 40220964 is 46902204.

The square root of 40220964 is 6342.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 266289 + ... + 266439.

Almost surely, 2^40220964 is an apocalyptic number.

40220964 is the 6342-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40220964

40220964 is an abundant number, since it is smaller than the sum of its proper divisors (78836247).

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

40220964 is a wasteful number, since it uses less digits than its factorization.

40220964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The cubic root of 40220964 is about 342.6237718432.

The spelling of 40220964 in words is "forty million, two hundred twenty thousand, nine hundred sixty-four".