2154258432 has 168 divisors, whose sum is σ = 6338255040. Its totient is φ = 704839680.

The previous prime is 2154258409. The next prime is 2154258433. The reversal of 2154258432 is 2348524512.

2154258432 is a `hidden beast` number, since 2 + 1 + 5 + 42 + 584 + 32 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154258433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4497169 + ... + 4497647.

Almost surely, 2^2154258432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2154258432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3169127520).

2154258432 is an abundant number, since it is smaller than the sum of its proper divisors (4183996608).

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

2154258432 is an equidigital number, since it uses as much as digits as its factorization.

2154258432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 545 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 2154258432 is about 46413.9896152011. The cubic root of 2154258432 is about 1291.5144427496.

The spelling of 2154258432 in words is "two billion, one hundred fifty-four million, two hundred fifty-eight thousand, four hundred thirty-two".