162742040 has 32 divisors (see below), whose sum is σ = 367146000. Its totient is φ = 64923264.

The previous prime is 162741977. The next prime is 162742051. The reversal of 162742040 is 40247261.

It is a congruent number.

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, 10331 + ... + 20789.

Almost surely, 2^162742040 is an apocalyptic number.

162742040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162742040 is an abundant number, since it is smaller than the sum of its proper divisors (204403960).

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

162742040 is a wasteful number, since it uses less digits than its factorization.

162742040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10859 (or 10855 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 162742040 is about 12757.0388413613. The cubic root of 162742040 is about 545.9672412106.

The spelling of 162742040 in words is "one hundred sixty-two million, seven hundred forty-two thousand, forty".