611276540 has 48 divisors (see below), whose sum is σ = 1482220992. Its totient is φ = 207415296.

The previous prime is 611276513. The next prime is 611276563. The reversal of 611276540 is 45672116.

It is a junction number, because it is equal to n+sod(n) for n = 611276497 and 611276506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8927 + ... + 36086.

It is an arithmetic number, because the mean of its divisors is an integer number (30879604).

Almost surely, 2^611276540 is an apocalyptic number.

It is an amenable number.

611276540 is an abundant number, since it is smaller than the sum of its proper divisors (870944452).

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

611276540 is a wasteful number, since it uses less digits than its factorization.

611276540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45126 (or 45124 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 611276540 is about 24724.0073612673. The cubic root of 611276540 is about 848.6837945413.

The spelling of 611276540 in words is "six hundred eleven million, two hundred seventy-six thousand, five hundred forty".