254333521350040 has 64 divisors (see below), whose sum is σ = 624290249216160. Its totient is φ = 92482389381120.

The previous prime is 254333521350037. The next prime is 254333521350049. The reversal of 254333521350040 is 40053125333452.

It is a super-2 number, since 2×254333521350040² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 254333521349975 and 254333521350002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254333521350049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8257864 + ... + 24017896.

Almost surely, 2^{254333521350040} is an apocalyptic number.

254333521350040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254333521350040 is an abundant number, since it is smaller than the sum of its proper divisors (369956727866120).

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

254333521350040 is a wasteful number, since it uses less digits than its factorization.

254333521350040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15796732 (or 15796728 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 254333521350040 its reverse (40053125333452), we get a palindrome (294386646683492).

The spelling of 254333521350040 in words is "two hundred fifty-four trillion, three hundred thirty-three billion, five hundred twenty-one million, three hundred fifty thousand, forty".