2154956076 has 192 divisors, whose sum is σ = 6963676160. Its totient is φ = 568130112.

The previous prime is 2154956071. The next prime is 2154956081. The reversal of 2154956076 is 6706594512.

2154956076 is a `hidden beast` number, since 2 + 15 + 4 + 9 + 560 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (2154956071) and next prime (2154956081).

It is not an unprimeable number, because it can be changed into a prime (2154956071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 794715 + ... + 797421.

Almost surely, 2^2154956076 is an apocalyptic number.

2154956076 is a gapful number since it is divisible by the number (26) 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 2154956076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3481838080).

2154956076 is an abundant number, since it is smaller than the sum of its proper divisors (4808720084).

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

2154956076 is a wasteful number, since it uses less digits than its factorization.

2154956076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752 (or 2732 counting only the distinct ones).

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

The square root of 2154956076 is about 46421.5044564478. The cubic root of 2154956076 is about 1291.6538441701.

The spelling of 2154956076 in words is "two billion, one hundred fifty-four million, nine hundred fifty-six thousand, seventy-six".