685150495480 has 32 divisors (see below), whose sum is σ = 1681733035440. Its totient is φ = 249145634560.

The previous prime is 685150495451. The next prime is 685150495489. The reversal of 685150495480 is 84594051586.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685150495489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778579669 + ... + 778580548.

Almost surely, 2^685150495480 is an apocalyptic number.

It is an amenable number.

685150495480 is an abundant number, since it is smaller than the sum of its proper divisors (996582539960).

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

685150495480 is a wasteful number, since it uses less digits than its factorization.

685150495480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557160239 (or 1557160235 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 685150495480 in words is "six hundred eighty-five billion, one hundred fifty million, four hundred ninety-five thousand, four hundred eighty".