2154037847040 has 528 divisors, whose sum is σ = 7989942105600. Its totient is φ = 555870781440.

The previous prime is 2154037847021. The next prime is 2154037847053. The reversal of 2154037847040 is 407487304512.

2154037847040 is a `hidden beast` number, since 2 + 1 + 540 + 37 + 8 + 4 + 70 + 4 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38541036 + ... + 38596884.

Almost surely, 2^{2154037847040} is an apocalyptic number.

2154037847040 is a gapful number since it is divisible by the number (20) 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 2154037847040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3994971052800).

2154037847040 is an abundant number, since it is smaller than the sum of its proper divisors (5835904258560).

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

2154037847040 is an equidigital number, since it uses as much as digits as its factorization.

2154037847040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55920 (or 55890 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 2154037847040 in words is "two trillion, one hundred fifty-four billion, thirty-seven million, eight hundred forty-seven thousand, forty".