2951490780 has 576 divisors, whose sum is σ = 11506360320. Its totient is φ = 597196800.

The previous prime is 2951490743. The next prime is 2951490791. The reversal of 2951490780 is 870941592.

2951490780 is a `hidden beast` number, since 2 + 95 + 1 + 490 + 78 + 0 = 666.

It is a super-2 number, since 2×2951490780² = 17422595648850016800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30427692 + ... + 30427788.

It is an arithmetic number, because the mean of its divisors is an integer number (19976320).

Almost surely, 2^2951490780 is an apocalyptic number.

2951490780 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 2951490780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5753180160).

2951490780 is an abundant number, since it is smaller than the sum of its proper divisors (8554869540).

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

2951490780 is a wasteful number, since it uses less digits than its factorization.

2951490780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2951490780 is about 54327.6244649074. The cubic root of 2951490780 is about 1434.4336905941.

The spelling of 2951490780 in words is "two billion, nine hundred fifty-one million, four hundred ninety thousand, seven hundred eighty".