90162032029240 has 64 divisors (see below), whose sum is σ = 206484361967520. Its totient is φ = 35422981440000.

The previous prime is 90162032029169. The next prime is 90162032029241. The reversal of 90162032029240 is 4292023026109.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 90162032029193 and 90162032029202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90162032029241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24645946 + ... + 28066825.

Almost surely, 2^{90162032029240} is an apocalyptic number.

It is an amenable number.

90162032029240 is an abundant number, since it is smaller than the sum of its proper divisors (116322329938280).

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

90162032029240 is a wasteful number, since it uses less digits than its factorization.

90162032029240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52713544 (or 52713540 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 90162032029240 in words is "ninety trillion, one hundred sixty-two billion, thirty-two million, twenty-nine thousand, two hundred forty".