5156253040 has 20 divisors (see below), whose sum is σ = 11988288504. Its totient is φ = 2062501184.

The previous prime is 5156253031. The next prime is 5156253043. The reversal of 5156253040 is 403526515.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5156252993 and 5156253011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156253043) 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, 32226502 + ... + 32226661.

Almost surely, 2^5156253040 is an apocalyptic number.

It is an amenable number.

5156253040 is an abundant number, since it is smaller than the sum of its proper divisors (6832035464).

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

5156253040 is a wasteful number, since it uses less digits than its factorization.

5156253040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64453176 (or 64453170 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 5156253040 is about 71807.0542495652. The cubic root of 5156253040 is about 1727.6061470209.

Adding to 5156253040 its reverse (403526515), we get a palindrome (5559779555).

The spelling of 5156253040 in words is "five billion, one hundred fifty-six million, two hundred fifty-three thousand, forty".