5156705400 has 576 divisors, whose sum is σ = 20502854400. Its totient is φ = 1049241600.

The previous prime is 5156705399. The next prime is 5156705401. The reversal of 5156705400 is 45076515.

It is an interprime number because it is at equal distance from previous prime (5156705399) and next prime (5156705401).

It is a super-2 number, since 2×5156705400² = 53183221164778320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156705401) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 37098531 + ... + 37098669.

Almost surely, 2^5156705400 is an apocalyptic number.

5156705400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5156705400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10251427200).

5156705400 is an abundant number, since it is smaller than the sum of its proper divisors (15346149000).

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

5156705400 is a wasteful number, since it uses less digits than its factorization.

5156705400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 5156705400 is about 71810.2040102937. The cubic root of 5156705400 is about 1727.6566667205.

The spelling of 5156705400 in words is "five billion, one hundred fifty-six million, seven hundred five thousand, four hundred".