49329840 has 80 divisors (see below), whose sum is σ = 174774528. Its totient is φ = 11275008.

The previous prime is 49329827. The next prime is 49329851. The reversal of 49329840 is 4892394.

49329840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×49329840² = 4866866228851200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13002 + ... + 16361.

Almost surely, 2^49329840 is an apocalyptic number.

49329840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49329840 is an abundant number, since it is smaller than the sum of its proper divisors (125444688).

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

49329840 is a wasteful number, since it uses less digits than its factorization.

49329840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29386 (or 29380 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 49329840 is about 7023.5204847712. The cubic root of 49329840 is about 366.7498140178.

The spelling of 49329840 in words is "forty-nine million, three hundred twenty-nine thousand, eight hundred forty".