5155501240 has 32 divisors (see below), whose sum is σ = 11605518000. Its totient is φ = 2061197824.

The previous prime is 5155501231. The next prime is 5155501261. The reversal of 5155501240 is 421055515.

It is a junction number, because it is equal to n+sod(n) for n = 5155501199 and 5155501208.

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, 54891 + ... + 115429.

Almost surely, 2^5155501240 is an apocalyptic number.

It is an amenable number.

5155501240 is an abundant number, since it is smaller than the sum of its proper divisors (6450016760).

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

5155501240 is a wasteful number, since it uses less digits than its factorization.

5155501240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62679 (or 62675 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 5155501240 is about 71801.8191970092. The cubic root of 5155501240 is about 1727.5221792365.

Adding to 5155501240 its reverse (421055515), we get a palindrome (5576556755).

The spelling of 5155501240 in words is "five billion, one hundred fifty-five million, five hundred one thousand, two hundred forty".