49411920 has 40 divisors (see below), whose sum is σ = 153177696. Its totient is φ = 13176448.

The previous prime is 49411919. The next prime is 49411931. The reversal of 49411920 is 2911494.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 102702 + ... + 103181.

Almost surely, 2^49411920 is an apocalyptic number.

49411920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49411920 is an abundant number, since it is smaller than the sum of its proper divisors (103765776).

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

49411920 is a wasteful number, since it uses less digits than its factorization.

49411920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205899 (or 205893 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 49411920 is about 7029.3612796612. The cubic root of 49411920 is about 366.9531131711.

The spelling of 49411920 in words is "forty-nine million, four hundred eleven thousand, nine hundred twenty".