162402992640 has 480 divisors, whose sum is σ = 670759854336. Its totient is φ = 35505930240.

The previous prime is 162402992629. The next prime is 162402992707. The reversal of 162402992640 is 46299204261.

162402992640 is a `hidden beast` number, since 1 + 62 + 40 + 299 + 264 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3687550 + ... + 3731330.

Almost surely, 2^162402992640 is an apocalyptic number.

162402992640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162402992640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335379927168).

162402992640 is an abundant number, since it is smaller than the sum of its proper divisors (508356861696).

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

162402992640 is a wasteful number, since it uses less digits than its factorization.

162402992640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43840 (or 43821 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 162402992640 in words is "one hundred sixty-two billion, four hundred two million, nine hundred ninety-two thousand, six hundred forty".