49147240 has 32 divisors (see below), whose sum is σ = 111624480. Its totient is φ = 19473472.

The previous prime is 49147223. The next prime is 49147249. The reversal of 49147240 is 4274194.

It is not an unprimeable number, because it can be changed into a prime (49147249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462 + ... + 10021.

It is an arithmetic number, because the mean of its divisors is an integer number (3488265).

Almost surely, 2^49147240 is an apocalyptic number.

49147240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49147240 is an abundant number, since it is smaller than the sum of its proper divisors (62477240).

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

49147240 is a wasteful number, since it uses less digits than its factorization.

49147240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11601 (or 11597 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 49147240 is about 7010.5092539701. The cubic root of 49147240 is about 366.2967324962.

The spelling of 49147240 in words is "forty-nine million, one hundred forty-seven thousand, two hundred forty".