48989940 has 24 divisors (see below), whose sum is σ = 137172000. Its totient is φ = 13063968.

The previous prime is 48989917. The next prime is 48989953. The reversal of 48989940 is 4998984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408190 + ... + 408309.

It is an arithmetic number, because the mean of its divisors is an integer number (5715500).

Almost surely, 2^48989940 is an apocalyptic number.

It is an amenable number.

48989940 is an abundant number, since it is smaller than the sum of its proper divisors (88182060).

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

48989940 is a wasteful number, since it uses less digits than its factorization.

48989940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816511 (or 816509 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 48989940 is about 6999.2813916859. The cubic root of 48989940 is about 365.9055266928.

The spelling of 48989940 in words is "forty-eight million, nine hundred eighty-nine thousand, nine hundred forty".