50401240 has 16 divisors (see below), whose sum is σ = 113402880. Its totient is φ = 20160480.

The previous prime is 50401231. The next prime is 50401279. The reversal of 50401240 is 4210405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629976 + ... + 630055.

It is an arithmetic number, because the mean of its divisors is an integer number (7087680).

Almost surely, 2^50401240 is an apocalyptic number.

It is an amenable number.

50401240 is an abundant number, since it is smaller than the sum of its proper divisors (63001640).

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

50401240 is a wasteful number, since it uses less digits than its factorization.

50401240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260042 (or 1260038 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 50401240 is about 7099.3830717887. The cubic root of 50401240 is about 369.3859793958.

Adding to 50401240 its reverse (4210405), we get a palindrome (54611645).

The spelling of 50401240 in words is "fifty million, four hundred one thousand, two hundred forty".