50429440 has 40 divisors (see below), whose sum is σ = 120918600. Its totient is φ = 20170752.

The previous prime is 50429437. The next prime is 50429441. The reversal of 50429440 is 4492405.

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

It is a junction number, because it is equal to n+sod(n) for n = 50429399 and 50429408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50429441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7290 + ... + 12409.

It is an arithmetic number, because the mean of its divisors is an integer number (3022965).

Almost surely, 2^50429440 is an apocalyptic number.

It is an amenable number.

50429440 is an abundant number, since it is smaller than the sum of its proper divisors (70489160).

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

50429440 is an equidigital number, since it uses as much as digits as its factorization.

50429440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19722 (or 19706 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 50429440 is about 7101.3688821241. The cubic root of 50429440 is about 369.4548582731.

The spelling of 50429440 in words is "fifty million, four hundred twenty-nine thousand, four hundred forty".