47652240 has 80 divisors (see below), whose sum is σ = 148579776. Its totient is φ = 12633600.

The previous prime is 47652221. The next prime is 47652277. The reversal of 47652240 is 4225674.

47652240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 47652198 and 47652207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50170 + ... + 51110.

Almost surely, 2^47652240 is an apocalyptic number.

47652240 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 47652240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74289888).

47652240 is an abundant number, since it is smaller than the sum of its proper divisors (100927536).

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

47652240 is a wasteful number, since it uses less digits than its factorization.

47652240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 47652240 is about 6903.0601909588. The cubic root of 47652240 is about 362.5443211762.

The spelling of 47652240 in words is "forty-seven million, six hundred fifty-two thousand, two hundred forty".