9081042978240 has 224 divisors, whose sum is σ = 33920366967360. Its totient is φ = 2279163691008.

The previous prime is 9081042978221. The next prime is 9081042978299. The reversal of 9081042978240 is 428792401809.

9081042978240 is a `hidden beast` number, since 9 + 0 + 8 + 104 + 297 + 8 + 240 = 666.

It is a super-2 number, since 2×9081042978240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30766257 + ... + 31060016.

Almost surely, 2^{9081042978240} is an apocalyptic number.

9081042978240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9081042978240 is an abundant number, since it is smaller than the sum of its proper divisors (24839323989120).

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

9081042978240 is a wasteful number, since it uses less digits than its factorization.

9081042978240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61826316 (or 61826300 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 9081042978240 in words is "nine trillion, eighty-one billion, forty-two million, nine hundred seventy-eight thousand, two hundred forty".