46447440 has 80 divisors (see below), whose sum is σ = 155073408. Its totient is φ = 11432448.

The previous prime is 46447433. The next prime is 46447441. The reversal of 46447440 is 4474464.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46447441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4324 + ... + 10563.

Almost surely, 2^46447440 is an apocalyptic number.

46447440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46447440 is an abundant number, since it is smaller than the sum of its proper divisors (108625968).

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

46447440 is a wasteful number, since it uses less digits than its factorization.

46447440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14916 (or 14910 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

The square root of 46447440 is about 6815.2358726606. The cubic root of 46447440 is about 359.4627789611.

The spelling of 46447440 in words is "forty-six million, four hundred forty-seven thousand, four hundred forty".