611404626460 has 48 divisors (see below), whose sum is σ = 1290161670336. Its totient is φ = 243380544512.

The previous prime is 611404626361. The next prime is 611404626487. The reversal of 611404626460 is 64626404116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5079534 + ... + 5198506.

It is an arithmetic number, because the mean of its divisors is an integer number (26878368132).

Almost surely, 2^611404626460 is an apocalyptic number.

It is an amenable number.

611404626460 is an abundant number, since it is smaller than the sum of its proper divisors (678757043876).

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

611404626460 is a wasteful number, since it uses less digits than its factorization.

611404626460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120222 (or 120220 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 611404626460 in words is "six hundred eleven billion, four hundred four million, six hundred twenty-six thousand, four hundred sixty".