46263440 has 40 divisors (see below), whose sum is σ = 107935800. Its totient is φ = 18441216.

The previous prime is 46263421. The next prime is 46263449. The reversal of 46263440 is 4436264.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5456896 + 40806544 = 2336^2 + 6388^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (46263449) 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 7 ways as a sum of consecutive naturals, for example, 27092 + ... + 28748.

It is an arithmetic number, because the mean of its divisors is an integer number (2698395).

Almost surely, 2^46263440 is an apocalyptic number.

46263440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46263440 is an abundant number, since it is smaller than the sum of its proper divisors (61672360).

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

46263440 is a wasteful number, since it uses less digits than its factorization.

46263440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 46263440 is about 6801.7233110440. The cubic root of 46263440 is about 358.9874841425.

Adding to 46263440 its product of nonzero digits (13824), we get a palindrome (46277264).

The spelling of 46263440 in words is "forty-six million, two hundred sixty-three thousand, four hundred forty".