40746546 has 48 divisors (see below), whose sum is σ = 91427544. Its totient is φ = 13105152.

The previous prime is 40746533. The next prime is 40746571. The reversal of 40746546 is 64564704.

40746546 is a `hidden beast` number, since 40 + 74 + 6 + 546 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28740321 + 12006225 = 5361^2 + 3465^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40746546.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128380 + ... + 128696.

Almost surely, 2^40746546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40746546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45713772).

40746546 is an abundant number, since it is smaller than the sum of its proper divisors (50680998).

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

40746546 is a wasteful number, since it uses less digits than its factorization.

40746546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 40746546 is about 6383.3021235094. The cubic root of 40746546 is about 344.1097146436.

The spelling of 40746546 in words is "forty million, seven hundred forty-six thousand, five hundred forty-six".