2992392780 has 48 divisors (see below), whose sum is σ = 9023217504. Its totient is φ = 736588800.

The previous prime is 2992392761. The next prime is 2992392787. The reversal of 2992392780 is 872932992.

It is a super-2 number, since 2×2992392780² = 17908829099592256800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2992392787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917421 + ... + 1918980.

It is an arithmetic number, because the mean of its divisors is an integer number (187983698).

Almost surely, 2^2992392780 is an apocalyptic number.

2992392780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2992392780 is an abundant number, since it is smaller than the sum of its proper divisors (6030824724).

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

2992392780 is a wasteful number, since it uses less digits than its factorization.

2992392780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836426 (or 3836424 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 2992392780 is about 54702.7675716686. The cubic root of 2992392780 is about 1441.0294818080.

The spelling of 2992392780 in words is "two billion, nine hundred ninety-two million, three hundred ninety-two thousand, seven hundred eighty".