49221240 has 64 divisors (see below), whose sum is σ = 151113600. Its totient is φ = 12819072.

The previous prime is 49221233. The next prime is 49221269. The reversal of 49221240 is 4212294.

It is a super-3 number, since 3×49221240³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 49221240.

It is a congruent number.

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, 391 + ... + 9929.

It is an arithmetic number, because the mean of its divisors is an integer number (2361150).

Almost surely, 2^49221240 is an apocalyptic number.

49221240 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 49221240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75556800).

49221240 is an abundant number, since it is smaller than the sum of its proper divisors (101892360).

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

49221240 is a wasteful number, since it uses less digits than its factorization.

49221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9596 (or 9592 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 49221240 is about 7015.7850594214. The cubic root of 49221240 is about 366.4804821518.

The spelling of 49221240 in words is "forty-nine million, two hundred twenty-one thousand, two hundred forty".