5156040090 has 64 divisors (see below), whose sum is σ = 12602304000. Its totient is φ = 1349699904.

The previous prime is 5156040083. The next prime is 5156040103. The reversal of 5156040090 is 900406515.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1561261 + ... + 1564559.

It is an arithmetic number, because the mean of its divisors is an integer number (196911000).

Almost surely, 2^5156040090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5156040090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6301152000).

5156040090 is an abundant number, since it is smaller than the sum of its proper divisors (7446263910).

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

5156040090 is a wasteful number, since it uses less digits than its factorization.

5156040090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 5156040090 is about 71805.5714412190. The cubic root of 5156040090 is about 1727.5823636786.

The spelling of 5156040090 in words is "five billion, one hundred fifty-six million, forty thousand, ninety".