2141547420 has 48 divisors (see below), whose sum is σ = 6158402208. Its totient is φ = 555644160.

The previous prime is 2141547413. The next prime is 2141547439. The reversal of 2141547420 is 247451412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480111 + ... + 484550.

It is an arithmetic number, because the mean of its divisors is an integer number (128300046).

Almost surely, 2^2141547420 is an apocalyptic number.

2141547420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141547420 is an abundant number, since it is smaller than the sum of its proper divisors (4016854788).

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

2141547420 is a wasteful number, since it uses less digits than its factorization.

2141547420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964710 (or 964708 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 2141547420 is about 46276.8562026419. The cubic root of 2141547420 is about 1288.9692746083.

Adding to 2141547420 its reverse (247451412), we get a palindrome (2388998832).

The spelling of 2141547420 in words is "two billion, one hundred forty-one million, five hundred forty-seven thousand, four hundred twenty".