1252635417430 has 32 divisors (see below), whose sum is σ = 2316598613280. Its totient is φ = 487483745280.

The previous prime is 1252635417403. The next prime is 1252635417463. The reversal of 1252635417430 is 347145362521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10886641 + ... + 11001100.

It is an arithmetic number, because the mean of its divisors is an integer number (72393706665).

Almost surely, 2^{1252635417430} is an apocalyptic number.

1252635417430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252635417430 is a deficient number, since it is larger than the sum of its proper divisors (1063963195850).

1252635417430 is a wasteful number, since it uses less digits than its factorization.

1252635417430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21887904.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 1252635417430 in words is "one trillion, two hundred fifty-two billion, six hundred thirty-five million, four hundred seventeen thousand, four hundred thirty".