40089546 has 96 divisors (see below), whose sum is σ = 105336000. Its totient is φ = 11267424.

The previous prime is 40089527. The next prime is 40089547. The reversal of 40089546 is 64598004.

It is a super-2 number, since 2×40089546² = 3214343396972232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40089546.

It is not an unprimeable number, because it can be changed into a prime (40089547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288345 + ... + 288483.

It is an arithmetic number, because the mean of its divisors is an integer number (1097250).

Almost surely, 2^40089546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40089546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52668000).

40089546 is an abundant number, since it is smaller than the sum of its proper divisors (65246454).

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

40089546 is a wasteful number, since it uses less digits than its factorization.

40089546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 40089546 is about 6331.6305956681. The cubic root of 40089546 is about 342.2502016457.

The spelling of 40089546 in words is "forty million, eighty-nine thousand, five hundred forty-six".