8490672042 has 32 divisors (see below), whose sum is σ = 18151862400. Its totient is φ = 2641140480.

The previous prime is 8490672037. The next prime is 8490672053. The reversal of 8490672042 is 2402760948.

It is a junction number, because it is equal to n+sod(n) for n = 8490671985 and 8490672003.

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, 744667 + ... + 755982.

It is an arithmetic number, because the mean of its divisors is an integer number (567245700).

Almost surely, 2^8490672042 is an apocalyptic number.

8490672042 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8490672042 is an abundant number, since it is smaller than the sum of its proper divisors (9661190358).

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

8490672042 is a wasteful number, since it uses less digits than its factorization.

8490672042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500718.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 8490672042 is about 92144.8427314302. The cubic root of 8490672042 is about 2040.0807383462.

The spelling of 8490672042 in words is "eight billion, four hundred ninety million, six hundred seventy-two thousand, forty-two".