21482946402 has 16 divisors (see below), whose sum is σ = 43880061312. Its totient is φ = 7008620720.

The previous prime is 21482946377. The next prime is 21482946409. The reversal of 21482946402 is 20464928412.

It is a super-2 number, since 2×21482946402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21482946409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38090049 + ... + 38090612.

It is an arithmetic number, because the mean of its divisors is an integer number (2742503832).

Almost surely, 2^21482946402 is an apocalyptic number.

21482946402 is an abundant number, since it is smaller than the sum of its proper divisors (22397114910).

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

21482946402 is a wasteful number, since it uses less digits than its factorization.

21482946402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76180713.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 21482946402 in words is "twenty-one billion, four hundred eighty-two million, nine hundred forty-six thousand, four hundred two".