254230040636 has 72 divisors (see below), whose sum is σ = 528695013840. Its totient is φ = 106254213120.

The previous prime is 254230040633. The next prime is 254230040639. The reversal of 254230040636 is 636040032452.

It is an interprime number because it is at equal distance from previous prime (254230040633) and next prime (254230040639).

It is a super-2 number, since 2×254230040636² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254230040596 and 254230040605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254230040633) 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 23 ways as a sum of consecutive naturals, for example, 1538435 + ... + 1695653.

Almost surely, 2^254230040636 is an apocalyptic number.

254230040636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

254230040636 is an abundant number, since it is smaller than the sum of its proper divisors (274464973204).

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

254230040636 is a wasteful number, since it uses less digits than its factorization.

254230040636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157515 (or 157502 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 254230040636 in words is "two hundred fifty-four billion, two hundred thirty million, forty thousand, six hundred thirty-six".