40546020 has 96 divisors (see below), whose sum is σ = 121540608. Its totient is φ = 10063872.

The previous prime is 40546001. The next prime is 40546021. The reversal of 40546020 is 2064504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40546021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129384 + ... + 129696.

It is an arithmetic number, because the mean of its divisors is an integer number (1266048).

Almost surely, 2^40546020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40546020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60770304).

40546020 is an abundant number, since it is smaller than the sum of its proper divisors (80994588).

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

40546020 is a wasteful number, since it uses less digits than its factorization.

40546020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40546020 is about 6367.5756768177. The cubic root of 40546020 is about 343.5442969852.

The spelling of 40546020 in words is "forty million, five hundred forty-six thousand, twenty".