900081024 has 48 divisors (see below), whose sum is σ = 2392402860. Its totient is φ = 299831040.

The previous prime is 900081019. The next prime is 900081041. The reversal of 900081024 is 420180009.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 900080985 and 900081003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 587139 + ... + 588669.

Almost surely, 2^900081024 is an apocalyptic number.

It is an amenable number.

900081024 is an abundant number, since it is smaller than the sum of its proper divisors (1492321836).

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

900081024 is an frugal number, since it uses more digits than its factorization.

900081024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 900081024 is about 30001.3503696084. The cubic root of 900081024 is about 965.5183569999.

Multiplying 900081024 by its sum of digits (24), we get a square (21601944576 = 146976²).

900081024 divided by its sum of digits (24) gives a square (37503376 = 6124²).

The spelling of 900081024 in words is "nine hundred million, eighty-one thousand, twenty-four".