48947640 has 64 divisors (see below), whose sum is σ = 167823360. Its totient is φ = 11187840.

The previous prime is 48947627. The next prime is 48947651. The reversal of 48947640 is 4674984.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 48947592 and 48947601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28296 + ... + 29975.

It is an arithmetic number, because the mean of its divisors is an integer number (2622240).

Almost surely, 2^48947640 is an apocalyptic number.

48947640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48947640 is an abundant number, since it is smaller than the sum of its proper divisors (118875720).

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

48947640 is a wasteful number, since it uses less digits than its factorization.

48947640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58292 (or 58288 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 48947640 is about 6996.2590003515. The cubic root of 48947640 is about 365.8001835642.

The spelling of 48947640 in words is "forty-eight million, nine hundred forty-seven thousand, six hundred forty".