50130040 has 16 divisors (see below), whose sum is σ = 112792680. Its totient is φ = 20052000.

The previous prime is 50130029. The next prime is 50130043. The reversal of 50130040 is 4003105.

It is a self number, because there is not a number n which added to its sum of digits gives 50130040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50130043) 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, 626586 + ... + 626665.

Almost surely, 2^50130040 is an apocalyptic number.

It is an amenable number.

50130040 is an abundant number, since it is smaller than the sum of its proper divisors (62662640).

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

50130040 is a wasteful number, since it uses less digits than its factorization.

50130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253262 (or 1253258 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 50130040 is about 7080.2570574803. The cubic root of 50130040 is about 368.7222543521.

Adding to 50130040 its reverse (4003105), we get a palindrome (54133145).

The spelling of 50130040 in words is "fifty million, one hundred thirty thousand, forty".