47101440 has 80 divisors (see below), whose sum is σ = 150601968. Its totient is φ = 12558336.

The previous prime is 47101427. The next prime is 47101463. The reversal of 47101440 is 4410174.

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

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, 4614 + ... + 10746.

Almost surely, 2^47101440 is an apocalyptic number.

47101440 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 47101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75300984).

47101440 is an abundant number, since it is smaller than the sum of its proper divisors (103500528).

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

47101440 is an equidigital number, since it uses as much as digits as its factorization.

47101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159 (or 6143 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 47101440 is about 6863.0488851530. The cubic root of 47101440 is about 361.1420521724.

The spelling of 47101440 in words is "forty-seven million, one hundred one thousand, four hundred forty".