49236240 has 40 divisors (see below), whose sum is σ = 152633088. Its totient is φ = 13129600.

The previous prime is 49236221. The next prime is 49236251. The reversal of 49236240 is 4263294.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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 = 49236198 and 49236207.

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, 102336 + ... + 102815.

Almost surely, 2^49236240 is an apocalyptic number.

49236240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49236240 is an abundant number, since it is smaller than the sum of its proper divisors (103396848).

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

49236240 is a wasteful number, since it uses less digits than its factorization.

49236240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205167 (or 205161 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 49236240 is about 7016.8539959158. The cubic root of 49236240 is about 366.5177062507.

The spelling of 49236240 in words is "forty-nine million, two hundred thirty-six thousand, two hundred forty".