5156442654 has 64 divisors (see below), whose sum is σ = 11671188480. Its totient is φ = 1505088000.

The previous prime is 5156442649. The next prime is 5156442689. The reversal of 5156442654 is 4562446515.

It is a Curzon number.

It is a congruent number.

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, 201714 + ... + 225834.

It is an arithmetic number, because the mean of its divisors is an integer number (182362320).

Almost surely, 2^5156442654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5156442654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5835594240).

5156442654 is an abundant number, since it is smaller than the sum of its proper divisors (6514745826).

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

5156442654 is a wasteful number, since it uses less digits than its factorization.

5156442654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24257.

The product of its digits is 576000, while the sum is 42.

The square root of 5156442654 is about 71808.3745394644. The cubic root of 5156442654 is about 1727.6273235286.

The spelling of 5156442654 in words is "five billion, one hundred fifty-six million, four hundred forty-two thousand, six hundred fifty-four".