46542240 has 72 divisors (see below), whose sum is σ = 158830308. Its totient is φ = 12410880.

The previous prime is 46542217. The next prime is 46542247. The reversal of 46542240 is 4224564.

46542240 is a `hidden beast` number, since 4 + 654 + 2 + 2 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45643536 + 898704 = 6756^2 + 948^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (46542247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14721 + ... + 17600.

Almost surely, 2^46542240 is an apocalyptic number.

46542240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46542240 is an abundant number, since it is smaller than the sum of its proper divisors (112288068).

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

46542240 is a wasteful number, since it uses less digits than its factorization.

46542240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32342 (or 32331 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 46542240 is about 6822.1873325203. The cubic root of 46542240 is about 359.7071692780.

The spelling of 46542240 in words is "forty-six million, five hundred forty-two thousand, two hundred forty".