610465990 has 8 divisors (see below), whose sum is σ = 1098838800. Its totient is φ = 244186392.

The previous prime is 610465951. The next prime is 610466009. The reversal of 610465990 is 99564016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30523290 + ... + 30523309.

It is an arithmetic number, because the mean of its divisors is an integer number (137354850).

Almost surely, 2^610465990 is an apocalyptic number.

610465990 is a deficient number, since it is larger than the sum of its proper divisors (488372810).

610465990 is a wasteful number, since it uses less digits than its factorization.

610465990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61046606.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 610465990 is about 24707.6099613054. The cubic root of 610465990 is about 848.3085116266.

The spelling of 610465990 in words is "six hundred ten million, four hundred sixty-five thousand, nine hundred ninety".