49051240 has 64 divisors (see below), whose sum is σ = 127008000. Its totient is φ = 16700928.

The previous prime is 49051237. The next prime is 49051241. The reversal of 49051240 is 4215094.

It is not an unprimeable number, because it can be changed into a prime (49051241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46236 + ... + 47284.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^49051240 is an apocalyptic number.

49051240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49051240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63504000).

49051240 is an abundant number, since it is smaller than the sum of its proper divisors (77956760).

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

49051240 is a wasteful number, since it uses less digits than its factorization.

49051240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 49051240 is about 7003.6590436714. The cubic root of 49051240 is about 366.0580795087.

The spelling of 49051240 in words is "forty-nine million, fifty-one thousand, two hundred forty".