2154310432 has 12 divisors (see below), whose sum is σ = 4241298726. Its totient is φ = 1077155200.

The previous prime is 2154310423. The next prime is 2154310447. The reversal of 2154310432 is 2340134512.

It can be written as a sum of positive squares in only one way, i.e., 1568476816 + 585833616 = 39604^2 + 24204^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2154310397 and 2154310406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33661069 + ... + 33661132.

Almost surely, 2^2154310432 is an apocalyptic number.

It is an amenable number.

2154310432 is a deficient number, since it is larger than the sum of its proper divisors (2086988294).

2154310432 is an equidigital number, since it uses as much as digits as its factorization.

2154310432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67322211 (or 67322203 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2154310432 is about 46414.5497877551. The cubic root of 2154310432 is about 1291.5248342931.

Adding to 2154310432 its reverse (2340134512), we get a palindrome (4494444944).

The spelling of 2154310432 in words is "two billion, one hundred fifty-four million, three hundred ten thousand, four hundred thirty-two".