48909240 has 48 divisors (see below), whose sum is σ = 158956200. Its totient is φ = 13042368.

The previous prime is 48909233. The next prime is 48909271. The reversal of 48909240 is 4290984.

It is a happy number.

It is a super-2 number, since 2×48909240² = 4784227514755200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 48909195 and 48909204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67570 + ... + 68289.

Almost surely, 2^48909240 is an apocalyptic number.

48909240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48909240 is an abundant number, since it is smaller than the sum of its proper divisors (110046960).

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

48909240 is a wasteful number, since it uses less digits than its factorization.

48909240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135876 (or 135869 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 48909240 is about 6993.5141381140. The cubic root of 48909240 is about 365.7045003543.

The spelling of 48909240 in words is "forty-eight million, nine hundred nine thousand, two hundred forty".