48131940 has 48 divisors (see below), whose sum is σ = 141865920. Its totient is φ = 12159360.

The previous prime is 48131927. The next prime is 48131957. The reversal of 48131940 is 4913184.

It is a happy number.

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 = 48131898 and 48131907.

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, 19971 + ... + 22250.

It is an arithmetic number, because the mean of its divisors is an integer number (2955540).

Almost surely, 2^48131940 is an apocalyptic number.

It is an amenable number.

48131940 is an abundant number, since it is smaller than the sum of its proper divisors (93733980).

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

48131940 is a wasteful number, since it uses less digits than its factorization.

48131940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42252 (or 42250 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 48131940 is about 6937.7186452032. The cubic root of 48131940 is about 363.7568012805.

The spelling of 48131940 in words is "forty-eight million, one hundred thirty-one thousand, nine hundred forty".