492774909408 has 36 divisors (see below), whose sum is σ = 1401328649448. Its totient is φ = 164258303040.

The previous prime is 492774909397. The next prime is 492774909457. The reversal of 492774909408 is 804909477294.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×492774909408² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 855511708 + ... + 855512283.

It is an arithmetic number, because the mean of its divisors is an integer number (38925795818).

Almost surely, 2^492774909408 is an apocalyptic number.

492774909408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

492774909408 is an abundant number, since it is smaller than the sum of its proper divisors (908553740040).

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

492774909408 is a wasteful number, since it uses less digits than its factorization.

492774909408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711024007 (or 1711023996 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 492774909408 in words is "four hundred ninety-two billion, seven hundred seventy-four million, nine hundred nine thousand, four hundred eight".