46345440 has 48 divisors (see below), whose sum is σ = 145989648. Its totient is φ = 12358656.

The previous prime is 46345433. The next prime is 46345459. The reversal of 46345440 is 4454364.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 46345398 and 46345407.

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, 47797 + ... + 48756.

It is an arithmetic number, because the mean of its divisors is an integer number (3041451).

Almost surely, 2^46345440 is an apocalyptic number.

46345440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46345440 is an abundant number, since it is smaller than the sum of its proper divisors (99644208).

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

46345440 is a wasteful number, since it uses less digits than its factorization.

46345440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96571 (or 96563 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 46345440 is about 6807.7485264954. The cubic root of 46345440 is about 359.1994556897.

The spelling of 46345440 in words is "forty-six million, three hundred forty-five thousand, four hundred forty".