50101531040 has 72 divisors (see below), whose sum is σ = 130103581860. Its totient is φ = 18218731520.

The previous prime is 50101531037. The next prime is 50101531049. The reversal of 50101531040 is 4013510105.

It can be written as a sum of positive squares in 2 ways, for example, as 47763228304 + 2338302736 = 218548^2 + 48356^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (50101531049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1274585 + ... + 1313304.

Almost surely, 2^50101531040 is an apocalyptic number.

It is an amenable number.

50101531040 is an abundant number, since it is smaller than the sum of its proper divisors (80002050820).

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

50101531040 is a wasteful number, since it uses less digits than its factorization.

50101531040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587926 (or 2587907 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 50101531040 in words is "fifty billion, one hundred one million, five hundred thirty-one thousand, forty".