254364240 has 80 divisors (see below), whose sum is σ = 849195648. Its totient is φ = 62611968.

The previous prime is 254364239. The next prime is 254364241. The reversal of 254364240 is 42463452.

254364240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (254364239) and next prime (254364241).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 254364198 and 254364207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254364241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37644 + ... + 43883.

Almost surely, 2^254364240 is an apocalyptic number.

254364240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254364240 is an abundant number, since it is smaller than the sum of its proper divisors (594831408).

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

254364240 is a wasteful number, since it uses less digits than its factorization.

254364240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81556 (or 81550 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 254364240 is about 15948.8005818619. The cubic root of 254364240 is about 633.6051304936.

The spelling of 254364240 in words is "two hundred fifty-four million, three hundred sixty-four thousand, two hundred forty".