27403916257434 has 16 divisors (see below), whose sum is σ = 54813341512800. Its totient is φ = 9133720586160.

The previous prime is 27403916257433. The next prime is 27403916257489. The reversal of 27403916257434 is 43475261930472.

It is not an unprimeable number, because it can be changed into a prime (27403916257433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229476912 + ... + 229596299.

It is an arithmetic number, because the mean of its divisors is an integer number (3425833844550).

Almost surely, 2^{27403916257434} is an apocalyptic number.

27403916257434 is an abundant number, since it is smaller than the sum of its proper divisors (27409425255366).

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

27403916257434 is a wasteful number, since it uses less digits than its factorization.

27403916257434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459083165.

The product of its (nonzero) digits is 30481920, while the sum is 57.

The spelling of 27403916257434 in words is "twenty-seven trillion, four hundred three billion, nine hundred sixteen million, two hundred fifty-seven thousand, four hundred thirty-four".