46506440 has 32 divisors (see below), whose sum is σ = 106618680. Its totient is φ = 18250752.

The previous prime is 46506409. The next prime is 46506451. The reversal of 46506440 is 4460564.

It can be written as a sum of positive squares in 4 ways, for example, as 34409956 + 12096484 = 5866^2 + 3478^2 .

It is a super-2 number, since 2×46506440² = 4325697922947200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 8849 + ... + 13088.

Almost surely, 2^46506440 is an apocalyptic number.

46506440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46506440 is an abundant number, since it is smaller than the sum of its proper divisors (60112240).

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

46506440 is a wasteful number, since it uses less digits than its factorization.

46506440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22001 (or 21997 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 46506440 is about 6819.5630358550. The cubic root of 46506440 is about 359.6149174523.

The spelling of 46506440 in words is "forty-six million, five hundred six thousand, four hundred forty".