611484840 has 48 divisors (see below), whose sum is σ = 1987326900. Its totient is φ = 163062528.

The previous prime is 611484817. The next prime is 611484851. The reversal of 611484840 is 48484116.

It can be written as a sum of positive squares in 2 ways, for example, as 536107716 + 75377124 = 23154^2 + 8682^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 611484795 and 611484804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848925 + ... + 849644.

Almost surely, 2^611484840 is an apocalyptic number.

611484840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

611484840 is an abundant number, since it is smaller than the sum of its proper divisors (1375842060).

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

611484840 is a wasteful number, since it uses less digits than its factorization.

611484840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698586 (or 1698579 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 611484840 is about 24728.2195072755. The cubic root of 611484840 is about 848.7801834077.

The spelling of 611484840 in words is "six hundred eleven million, four hundred eighty-four thousand, eight hundred forty".