1243635240414 has 48 divisors (see below), whose sum is σ = 3019642293888. Its totient is φ = 334422918528.

The previous prime is 1243635240409. The next prime is 1243635240433. The reversal of 1243635240414 is 4140425363421.

It is a super-2 number, since 2×1243635240414² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51216864 + ... + 51241139.

It is an arithmetic number, because the mean of its divisors is an integer number (62909214456).

Almost surely, 2^{1243635240414} is an apocalyptic number.

1243635240414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1243635240414 is an abundant number, since it is smaller than the sum of its proper divisors (1776007053474).

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

1243635240414 is a wasteful number, since it uses less digits than its factorization.

1243635240414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102458049 (or 102458032 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 1243635240414 in words is "one trillion, two hundred forty-three billion, six hundred thirty-five million, two hundred forty thousand, four hundred fourteen".