47150840 has 64 divisors (see below), whose sum is σ = 116989920. Its totient is φ = 16960000.

The previous prime is 47150821. The next prime is 47150849. The reversal of 47150840 is 4805174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47150849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43910 + ... + 44970.

Almost surely, 2^47150840 is an apocalyptic number.

47150840 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 47150840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58494960).

47150840 is an abundant number, since it is smaller than the sum of its proper divisors (69839080).

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

47150840 is a wasteful number, since it uses less digits than its factorization.

47150840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 47150840 is about 6866.6469255380. The cubic root of 47150840 is about 361.2682633455.

The spelling of 47150840 in words is "forty-seven million, one hundred fifty thousand, eight hundred forty".