48878640 has 200 divisors, whose sum is σ = 179147760. Its totient is φ = 12317184.

The previous prime is 48878633. The next prime is 48878651. The reversal of 48878640 is 4687884.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 122922 + ... + 123318.

Almost surely, 2^48878640 is an apocalyptic number.

48878640 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 48878640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89573880).

48878640 is an abundant number, since it is smaller than the sum of its proper divisors (130269120).

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

48878640 is a wasteful number, since it uses less digits than its factorization.

48878640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 48878640 is about 6991.3260544764. The cubic root of 48878640 is about 365.6282169342.

The spelling of 48878640 in words is "forty-eight million, eight hundred seventy-eight thousand, six hundred forty".