9378553140 has 384 divisors, whose sum is σ = 34971955200. Its totient is φ = 2059706880.

The previous prime is 9378553127. The next prime is 9378553147. The reversal of 9378553140 is 413558739.

9378553140 is a `hidden beast` number, since 9 + 3 + 78 + 5 + 531 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9378553147) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2593974 + ... + 2597586.

It is an arithmetic number, because the mean of its divisors is an integer number (91072800).

Almost surely, 2^9378553140 is an apocalyptic number.

9378553140 is a gapful number since it is divisible by the number (90) 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 9378553140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17485977600).

9378553140 is an abundant number, since it is smaller than the sum of its proper divisors (25593402060).

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

9378553140 is a wasteful number, since it uses less digits than its factorization.

9378553140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 9378553140 is about 96842.9302530649. The cubic root of 9378553140 is about 2108.8480148827.

The spelling of 9378553140 in words is "nine billion, three hundred seventy-eight million, five hundred fifty-three thousand, one hundred forty".