4151391552 has 168 divisors, whose sum is σ = 14835542592. Its totient is φ = 1078272000.

The previous prime is 4151391481. The next prime is 4151391581. The reversal of 4151391552 is 2551931514.

It is a happy number.

4151391552 is a `hidden beast` number, since 4 + 1 + 5 + 13 + 91 + 552 = 666.

4151391552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2449 + ... + 91152.

Almost surely, 2^4151391552 is an apocalyptic number.

4151391552 is a gapful number since it is divisible by the number (42) 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 4151391552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7417771296).

4151391552 is an abundant number, since it is smaller than the sum of its proper divisors (10684151040).

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

4151391552 is a wasteful number, since it uses less digits than its factorization.

4151391552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93637 (or 93624 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 4151391552 is about 64431.2932665487. The cubic root of 4151391552 is about 1607.1801716763.

The spelling of 4151391552 in words is "four billion, one hundred fifty-one million, three hundred ninety-one thousand, five hundred fifty-two".