162420937440 has 48 divisors (see below), whose sum is σ = 511625954448. Its totient is φ = 43312249856.

The previous prime is 162420937423. The next prime is 162420937451. The reversal of 162420937440 is 44739024261.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 162420937392 and 162420937401.

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, 169187997 + ... + 169188956.

It is an arithmetic number, because the mean of its divisors is an integer number (10658874051).

Almost surely, 2^162420937440 is an apocalyptic number.

162420937440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162420937440 is an abundant number, since it is smaller than the sum of its proper divisors (349205017008).

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

162420937440 is a wasteful number, since it uses less digits than its factorization.

162420937440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338376971 (or 338376963 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 162420937440 in words is "one hundred sixty-two billion, four hundred twenty million, nine hundred thirty-seven thousand, four hundred forty".