46565840 has 40 divisors (see below), whose sum is σ = 108960288. Its totient is φ = 18506880.

The previous prime is 46565837. The next prime is 46565879. The reversal of 46565840 is 4856564.

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

It is a junction number, because it is equal to n+sod(n) for n = 46565794 and 46565803.

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 7 ways as a sum of consecutive naturals, for example, 11255 + ... + 14825.

Almost surely, 2^46565840 is an apocalyptic number.

46565840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46565840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54480144).

46565840 is an abundant number, since it is smaller than the sum of its proper divisors (62394448).

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

46565840 is a wasteful number, since it uses less digits than its factorization.

46565840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747 (or 3741 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 46565840 is about 6823.9167638534. The cubic root of 46565840 is about 359.7679574621.

The spelling of 46565840 in words is "forty-six million, five hundred sixty-five thousand, eight hundred forty".