40532546 has 16 divisors (see below), whose sum is σ = 63366840. Its totient is φ = 19420800.

The previous prime is 40532543. The next prime is 40532599. The reversal of 40532546 is 64523504.

It can be written as a sum of positive squares in 4 ways, for example, as 22934521 + 17598025 = 4789^2 + 4195^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (40532543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5396 + ... + 10496.

Almost surely, 2^40532546 is an apocalyptic number.

40532546 is a deficient number, since it is larger than the sum of its proper divisors (22834294).

40532546 is a wasteful number, since it uses less digits than its factorization.

40532546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 40532546 is about 6366.5175724253. The cubic root of 40532546 is about 343.5062379377.

The spelling of 40532546 in words is "forty million, five hundred thirty-two thousand, five hundred forty-six".