5156402340 has 24 divisors (see below), whose sum is σ = 14437926720. Its totient is φ = 1375040608.

The previous prime is 5156402309. The next prime is 5156402347. The reversal of 5156402340 is 432046515.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5156402298 and 5156402307.

It is not an unprimeable number, because it can be changed into a prime (5156402347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42969960 + ... + 42970079.

It is an arithmetic number, because the mean of its divisors is an integer number (601580280).

Almost surely, 2^5156402340 is an apocalyptic number.

It is an amenable number.

5156402340 is an abundant number, since it is smaller than the sum of its proper divisors (9281524380).

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

5156402340 is a wasteful number, since it uses less digits than its factorization.

5156402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85940051 (or 85940049 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 5156402340 is about 71808.0938334948. The cubic root of 5156402340 is about 1727.6228212160.

Adding to 5156402340 its reverse (432046515), we get a palindrome (5588448855).

The spelling of 5156402340 in words is "five billion, one hundred fifty-six million, four hundred two thousand, three hundred forty".