46540240 has 20 divisors (see below), whose sum is σ = 108206244. Its totient is φ = 18616064.

The previous prime is 46540211. The next prime is 46540261. The reversal of 46540240 is 4204564.

It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 35331136 = 3348^2 + 5944^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×46540240³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 290797 + ... + 290956.

Almost surely, 2^46540240 is an apocalyptic number.

46540240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46540240 is an abundant number, since it is smaller than the sum of its proper divisors (61666004).

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

46540240 is a wasteful number, since it uses less digits than its factorization.

46540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581766 (or 581760 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 46540240 is about 6822.0407503913. The cubic root of 46540240 is about 359.7020167926.

The spelling of 46540240 in words is "forty-six million, five hundred forty thousand, two hundred forty".