49621240 has 32 divisors (see below), whose sum is σ = 111857760. Its totient is φ = 19811200.

The previous prime is 49621219. The next prime is 49621267. The reversal of 49621240 is 4212694.

It is a junction number, because it is equal to n+sod(n) for n = 49621199 and 49621208.

It is a congruent number.

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, 32085 + ... + 33595.

It is an arithmetic number, because the mean of its divisors is an integer number (3495555).

Almost surely, 2^49621240 is an apocalyptic number.

49621240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49621240 is an abundant number, since it is smaller than the sum of its proper divisors (62236520).

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

49621240 is a wasteful number, since it uses less digits than its factorization.

49621240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 49621240 is about 7044.2345219335. The cubic root of 49621240 is about 367.4705484905.

It can be divided in two parts, 496 and 21240, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 49621240 in words is "forty-nine million, six hundred twenty-one thousand, two hundred forty".