611244142434 has 64 divisors (see below), whose sum is σ = 1391242300800. Its totient is φ = 198865554624.

The previous prime is 611244142361. The next prime is 611244142477. The reversal of 611244142434 is 434241442116.

611244142434 is a `hidden beast` number, since 61 + 1 + 24 + 4 + 142 + 434 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380617 + ... + 1169340.

It is an arithmetic number, because the mean of its divisors is an integer number (21738160950).

Almost surely, 2^611244142434 is an apocalyptic number.

611244142434 is an abundant number, since it is smaller than the sum of its proper divisors (779998158366).

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

611244142434 is a wasteful number, since it uses less digits than its factorization.

611244142434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550144 (or 1550138 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The spelling of 611244142434 in words is "six hundred eleven billion, two hundred forty-four million, one hundred forty-two thousand, four hundred thirty-four".