47261040 has 80 divisors (see below), whose sum is σ = 147419136. Its totient is φ = 12524800.

The previous prime is 47260963. The next prime is 47261057. The reversal of 47261040 is 4016274.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 47261040.

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 15 ways as a sum of consecutive naturals, for example, 45325 + ... + 46355.

Almost surely, 2^47261040 is an apocalyptic number.

47261040 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 47261040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73709568).

47261040 is an abundant number, since it is smaller than the sum of its proper divisors (100158096).

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

47261040 is a wasteful number, since it uses less digits than its factorization.

47261040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 47261040 is about 6874.6665373675. Note that the first 3 decimals coincide. The cubic root of 47261040 is about 361.5494940163.

The spelling of 47261040 in words is "forty-seven million, two hundred sixty-one thousand, forty".