250154133240 has 128 divisors (see below), whose sum is σ = 840813073920. Its totient is φ = 59004403200.

The previous prime is 250154133227. The next prime is 250154133259. The reversal of 250154133240 is 42331451052.

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 = 250154133198 and 250154133207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2512116 + ... + 2609795.

It is an arithmetic number, because the mean of its divisors is an integer number (6568852140).

Almost surely, 2^250154133240 is an apocalyptic number.

250154133240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250154133240 is an abundant number, since it is smaller than the sum of its proper divisors (590658940680).

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

250154133240 is a wasteful number, since it uses less digits than its factorization.

250154133240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121973 (or 5121969 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 250154133240 its reverse (42331451052), we get a palindrome (292485584292).

The spelling of 250154133240 in words is "two hundred fifty billion, one hundred fifty-four million, one hundred thirty-three thousand, two hundred forty".