2141402520 has 32 divisors (see below), whose sum is σ = 6424207920. Its totient is φ = 571040640.

The previous prime is 2141402443. The next prime is 2141402539. The reversal of 2141402520 is 252041412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8922391 + ... + 8922630.

Almost surely, 2^2141402520 is an apocalyptic number.

2141402520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141402520 is an abundant number, since it is smaller than the sum of its proper divisors (4282805400).

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

2141402520 is a wasteful number, since it uses less digits than its factorization.

2141402520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17845035 (or 17845031 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2141402520 is about 46275.2905987634. The cubic root of 2141402520 is about 1288.9402028168.

Adding to 2141402520 its reverse (252041412), we get a palindrome (2393443932).

The spelling of 2141402520 in words is "two billion, one hundred forty-one million, four hundred two thousand, five hundred twenty".