250012434440240 has 40 divisors (see below), whose sum is σ = 595456444473408. Its totient is φ = 97565828072960.

The previous prime is 250012434440231. The next prime is 250012434440269. The reversal of 250012434440240 is 42044434210052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 250012434440240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38111648312 + ... + 38111654871.

Almost surely, 2^{250012434440240} is an apocalyptic number.

250012434440240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250012434440240 is an abundant number, since it is smaller than the sum of its proper divisors (345444010033168).

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

250012434440240 is a wasteful number, since it uses less digits than its factorization.

250012434440240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76223303237 (or 76223303231 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 250012434440240 its reverse (42044434210052), we get a palindrome (292056868650292).

The spelling of 250012434440240 in words is "two hundred fifty trillion, twelve billion, four hundred thirty-four million, four hundred forty thousand, two hundred forty".