50402240 has 56 divisors (see below), whose sum is σ = 137172192. Its totient is φ = 17280000.

The previous prime is 50402239. The next prime is 50402257. The reversal of 50402240 is 4220405.

It is a tau number, because it is divible by the number of its divisors (56).

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, 9011 + ... + 13490.

Almost surely, 2^50402240 is an apocalyptic number.

It is an amenable number.

50402240 is an abundant number, since it is smaller than the sum of its proper divisors (86769952).

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

50402240 is a wasteful number, since it uses less digits than its factorization.

50402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22525 (or 22515 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 50402240 is about 7099.4535000942. The cubic root of 50402240 is about 369.3884223485.

Adding to 50402240 its reverse (4220405), we get a palindrome (54622645).

It can be divided in two parts, 5040 and 2240, that multiplied together give a square (11289600 = 3360²).

The spelling of 50402240 in words is "fifty million, four hundred two thousand, two hundred forty".