1625245634240 has 28 divisors (see below), whose sum is σ = 3870116167296. Its totient is φ = 650098253568.

The previous prime is 1625245634231. The next prime is 1625245634263. The reversal of 1625245634240 is 424365425261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1625245634191 and 1625245634200.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2539445984 + ... + 2539446623.

Almost surely, 2^{1625245634240} is an apocalyptic number.

1625245634240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625245634240 is an abundant number, since it is smaller than the sum of its proper divisors (2244870533056).

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

1625245634240 is an equidigital number, since it uses as much as digits as its factorization.

1625245634240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078892624 (or 5078892614 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 1625245634240 in words is "one trillion, six hundred twenty-five billion, two hundred forty-five million, six hundred thirty-four thousand, two hundred forty".