49573840 has 40 divisors (see below), whose sum is σ = 117947808. Its totient is φ = 19367040.

The previous prime is 49573829. The next prime is 49573877. The reversal of 49573840 is 4837594.

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

It is a super-2 number, since 2×49573840² = 4915131224691200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 49573793 and 49573802.

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, 3766 + ... + 10645.

Almost surely, 2^49573840 is an apocalyptic number.

49573840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49573840 is an abundant number, since it is smaller than the sum of its proper divisors (68373968).

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

49573840 is a wasteful number, since it uses less digits than its factorization.

49573840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467 (or 14461 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 49573840 is about 7040.8692645156. The cubic root of 49573840 is about 367.3535041692.

The spelling of 49573840 in words is "forty-nine million, five hundred seventy-three thousand, eight hundred forty".