2940290280 has 512 divisors, whose sum is σ = 10981440000. Its totient is φ = 705438720.

The previous prime is 2940290279. The next prime is 2940290291. The reversal of 2940290280 is 820920492.

2940290280 is a `hidden beast` number, since 2 + 94 + 0 + 290 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48201450 + ... + 48201510.

It is an arithmetic number, because the mean of its divisors is an integer number (21448125).

Almost surely, 2^2940290280 is an apocalyptic number.

2940290280 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 2940290280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5490720000).

2940290280 is an abundant number, since it is smaller than the sum of its proper divisors (8041149720).

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

2940290280 is a wasteful number, since it uses less digits than its factorization.

2940290280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2940290280 is about 54224.4435656098. The cubic root of 2940290280 is about 1432.6168978917.

The spelling of 2940290280 in words is "two billion, nine hundred forty million, two hundred ninety thousand, two hundred eighty".