254496690 has 72 divisors (see below), whose sum is σ = 769735980. Its totient is φ = 58169664.

The previous prime is 254496689. The next prime is 254496691. The reversal of 254496690 is 96694452.

It is an interprime number because it is at equal distance from previous prime (254496689) and next prime (254496691).

It can be written as a sum of positive squares in 2 ways, for example, as 226713249 + 27783441 = 15057^2 + 5271^2 .

It is a super-2 number, since 2×254496690² = 129537130441912200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (254496691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24445 + ... + 33264.

Almost surely, 2^254496690 is an apocalyptic number.

254496690 is an abundant number, since it is smaller than the sum of its proper divisors (515239290).

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

254496690 is a wasteful number, since it uses less digits than its factorization.

254496690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57736 (or 57726 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 254496690 is about 15952.9523913287. The cubic root of 254496690 is about 633.7150862505.

The spelling of 254496690 in words is "two hundred fifty-four million, four hundred ninety-six thousand, six hundred ninety".