611912460 has 24 divisors (see below), whose sum is σ = 1713355056. Its totient is φ = 163176640.

The previous prime is 611912459. The next prime is 611912471. The reversal of 611912460 is 64219116.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5099211 + ... + 5099330.

It is an arithmetic number, because the mean of its divisors is an integer number (71389794).

Almost surely, 2^611912460 is an apocalyptic number.

611912460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

611912460 is an abundant number, since it is smaller than the sum of its proper divisors (1101442596).

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

611912460 is a wasteful number, since it uses less digits than its factorization.

611912460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198553 (or 10198551 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 611912460 is about 24736.8643930471. The cubic root of 611912460 is about 848.9779919684.

The spelling of 611912460 in words is "six hundred eleven million, nine hundred twelve thousand, four hundred sixty".