2992421520 has 120 divisors (see below), whose sum is σ = 10963173312. Its totient is φ = 725433600.

The previous prime is 2992421507. The next prime is 2992421543. The reversal of 2992421520 is 251242992.

2992421520 is a `hidden beast` number, since 2 + 9 + 92 + 42 + 1 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×2992421520² = 17909173106718220800, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 180996 + ... + 196835.

Almost surely, 2^2992421520 is an apocalyptic number.

2992421520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2992421520 is an abundant number, since it is smaller than the sum of its proper divisors (7970751792).

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

2992421520 is a wasteful number, since it uses less digits than its factorization.

2992421520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377861 (or 377852 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2992421520 is about 54703.0302634141. The cubic root of 2992421520 is about 1441.0340951791.

The spelling of 2992421520 in words is "two billion, nine hundred ninety-two million, four hundred twenty-one thousand, five hundred twenty".