611812442 has 16 divisors (see below), whose sum is σ = 938459520. Its totient is φ = 299009568.

The previous prime is 611812441. The next prime is 611812451. The reversal of 611812442 is 244218116.

It is not an unprimeable number, because it can be changed into a prime (611812441) 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, 76958 + ... + 84534.

It is an arithmetic number, because the mean of its divisors is an integer number (58653720).

Almost surely, 2^611812442 is an apocalyptic number.

611812442 is a deficient number, since it is larger than the sum of its proper divisors (326647078).

611812442 is a wasteful number, since it uses less digits than its factorization.

611812442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485.

The product of its digits is 3072, while the sum is 29.

The square root of 611812442 is about 24734.8426718263. The cubic root of 611812442 is about 848.9317338769.

The spelling of 611812442 in words is "six hundred eleven million, eight hundred twelve thousand, four hundred forty-two".